70257622 has 4 divisors (see below), whose sum is σ = 105386436. Its totient is φ = 35128810.

The previous prime is 70257619. The next prime is 70257643. The reversal of 70257622 is 22675207.

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

It is a super-2 number, since 2×70257622² = 9872266898189768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17564404 + ... + 17564407.

It is an arithmetic number, because the mean of its divisors is an integer number (26346609).

Almost surely, 2^70257622 is an apocalyptic number.

70257622 is a deficient number, since it is larger than the sum of its proper divisors (35128814).

70257622 is a wasteful number, since it uses less digits than its factorization.

70257622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128813.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70257622 is about 8381.9819851870. The cubic root of 70257622 is about 412.6334985111.

The spelling of 70257622 in words is "seventy million, two hundred fifty-seven thousand, six hundred twenty-two".