71924305825 has 12 divisors (see below), whose sum is σ = 91260236848. Its totient is φ = 56201317200.

The previous prime is 71924305819. The next prime is 71924305847. The reversal of 71924305825 is 52850342917.

It is not a de Polignac number, because 71924305825 - 2⁷ = 71924305697 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33452091 + ... + 33454240.

Almost surely, 2^71924305825 is an apocalyptic number.

It is an amenable number.

71924305825 is a deficient number, since it is larger than the sum of its proper divisors (19335931023).

71924305825 is a wasteful number, since it uses less digits than its factorization.

71924305825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66906384 (or 66906379 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 71924305825 in words is "seventy-one billion, nine hundred twenty-four million, three hundred five thousand, eight hundred twenty-five".