70965556280 has 32 divisors (see below), whose sum is σ = 162685195200. Its totient is φ = 27850632576.

The previous prime is 70965556261. The next prime is 70965556297. The reversal of 70965556280 is 8265556907.

It is a super-2 number, since 2×70965556280² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16735040 + ... + 16739279.

It is an arithmetic number, because the mean of its divisors is an integer number (5083912350).

Almost surely, 2^70965556280 is an apocalyptic number.

It is an amenable number.

70965556280 is an abundant number, since it is smaller than the sum of its proper divisors (91719638920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70965556280 is a wasteful number, since it uses less digits than its factorization.

70965556280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33474383 (or 33474379 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 70965556280 in words is "seventy billion, nine hundred sixty-five million, five hundred fifty-six thousand, two hundred eighty".