71910976152 has 32 divisors (see below), whose sum is σ = 184636292400. Its totient is φ = 23322478464.

The previous prime is 71910976147. The next prime is 71910976153. The reversal of 71910976152 is 25167901917.

It is a super-2 number, since 2×71910976152² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71910976153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40489527 + ... + 40491302.

Almost surely, 2^71910976152 is an apocalyptic number.

It is an amenable number.

71910976152 is an abundant number, since it is smaller than the sum of its proper divisors (112725316248).

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

71910976152 is a wasteful number, since it uses less digits than its factorization.

71910976152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980875 (or 80980871 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 48.

The spelling of 71910976152 in words is "seventy-one billion, nine hundred ten million, nine hundred seventy-six thousand, one hundred fifty-two".