71992000124 has 48 divisors (see below), whose sum is σ = 138523240800. Its totient is φ = 32465832960.

The previous prime is 71992000111. The next prime is 71992000133. The reversal of 71992000124 is 42100029917.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 18377414 + ... + 18381330.

It is an arithmetic number, because the mean of its divisors is an integer number (2885900850).

Almost surely, 2^71992000124 is an apocalyptic number.

It is an amenable number.

71992000124 is a deficient number, since it is larger than the sum of its proper divisors (66531240676).

71992000124 is a wasteful number, since it uses less digits than its factorization.

71992000124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118 (or 7116 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 71992000124 in words is "seventy-one billion, nine hundred ninety-two million, one hundred twenty-four", and thus it is an aban number.