70972167872 has 28 divisors (see below), whose sum is σ = 140911066920. Its totient is φ = 35467017216.

The previous prime is 70972167751. The next prime is 70972167887. The reversal of 70972167872 is 27876127907.

It is a happy number.

It is a super-2 number, since 2×70972167872² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177497 + ... + 416472.

Almost surely, 2^70972167872 is an apocalyptic number.

It is an amenable number.

70972167872 is a deficient number, since it is larger than the sum of its proper divisors (69938899048).

70972167872 is a wasteful number, since it uses less digits than its factorization.

70972167872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595848 (or 595838 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 56.

The spelling of 70972167872 in words is "seventy billion, nine hundred seventy-two million, one hundred sixty-seven thousand, eight hundred seventy-two".