70060621 has 4 divisors (see below), whose sum is σ = 74181852. Its totient is φ = 65939392.

The previous prime is 70060609. The next prime is 70060633. The reversal of 70060621 is 12606007.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (70060609) and next prime (70060633).

It can be written as a sum of positive squares in 2 ways, for example, as 54967396 + 15093225 = 7414^2 + 3885^2 .

It is a cyclic number.

It is not a de Polignac number, because 70060621 - 2¹⁷ = 69929549 is a prime.

It is a super-2 number, since 2×70060621² = 9816981229811282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70060592 and 70060601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70060681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060590 + ... + 2060623.

It is an arithmetic number, because the mean of its divisors is an integer number (18545463).

Almost surely, 2^70060621 is an apocalyptic number.

It is an amenable number.

70060621 is a deficient number, since it is larger than the sum of its proper divisors (4121231).

70060621 is a wasteful number, since it uses less digits than its factorization.

70060621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121230.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 70060621 is about 8370.2222790079. Note that the first 4 decimals coincide. The cubic root of 70060621 is about 412.2474653857.

Adding to 70060621 its reverse (12606007), we get a palindrome (82666628).

The spelling of 70060621 in words is "seventy million, sixty thousand, six hundred twenty-one".