70375073 has 4 divisors (see below), whose sum is σ = 72277140. Its totient is φ = 68473008.

The previous prime is 70375051. The next prime is 70375079. The reversal of 70375073 is 37057307.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65739664 + 4635409 = 8108^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 70375073 - 2⁸ = 70374817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70375079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950978 + ... + 951051.

It is an arithmetic number, because the mean of its divisors is an integer number (18069285).

Almost surely, 2^70375073 is an apocalyptic number.

It is an amenable number.

70375073 is a deficient number, since it is larger than the sum of its proper divisors (1902067).

70375073 is a wasteful number, since it uses less digits than its factorization.

70375073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902066.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 70375073 is about 8388.9852187258. The cubic root of 70375073 is about 412.8633062507.

The spelling of 70375073 in words is "seventy million, three hundred seventy-five thousand, seventy-three".