70887133972 has 24 divisors (see below), whose sum is σ = 130943335040. Its totient is φ = 33578103096.

The previous prime is 70887133951. The next prime is 70887134009. The reversal of 70887133972 is 27933178807.

It is a happy number.

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, 1264428 + ... + 1319299.

Almost surely, 2^70887133972 is an apocalyptic number.

It is an amenable number.

70887133972 is a deficient number, since it is larger than the sum of its proper divisors (60056201068).

70887133972 is a wasteful number, since it uses less digits than its factorization.

70887133972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583788 (or 2583748 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 70887133972 in words is "seventy billion, eight hundred eighty-seven million, one hundred thirty-three thousand, nine hundred seventy-two".