70560745257 has 16 divisors (see below), whose sum is σ = 94543339968. Its totient is φ = 46809672000.

The previous prime is 70560745249. The next prime is 70560745261. The reversal of 70560745257 is 75254706507.

It is not a de Polignac number, because 70560745257 - 2³ = 70560745249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70560745357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780163 + ... + 865895.

It is an arithmetic number, because the mean of its divisors is an integer number (5908958748).

Almost surely, 2^70560745257 is an apocalyptic number.

It is an amenable number.

70560745257 is a deficient number, since it is larger than the sum of its proper divisors (23982594711).

70560745257 is a wasteful number, since it uses less digits than its factorization.

70560745257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87080.

The product of its (nonzero) digits is 2058000, while the sum is 48.

The spelling of 70560745257 in words is "seventy billion, five hundred sixty million, seven hundred forty-five thousand, two hundred fifty-seven".