71924842512 has 80 divisors (see below), whose sum is σ = 207766106880. Its totient is φ = 23822218368.

The previous prime is 71924842487. The next prime is 71924842559. The reversal of 71924842512 is 21524842917.

71924842512 is a `hidden beast` number, since 7 + 1 + 92 + 4 + 8 + 42 + 512 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462408 + ... + 598055.

It is an arithmetic number, because the mean of its divisors is an integer number (2597076336).

Almost surely, 2^71924842512 is an apocalyptic number.

71924842512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71924842512 is an abundant number, since it is smaller than the sum of its proper divisors (135841264368).

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

71924842512 is a wasteful number, since it uses less digits than its factorization.

71924842512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060637 (or 1060625 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 71924842512 in words is "seventy-one billion, nine hundred twenty-four million, eight hundred forty-two thousand, five hundred twelve".