71500253024 has 12 divisors (see below), whose sum is σ = 140766123204. Its totient is φ = 35750126496.

The previous prime is 71500252979. The next prime is 71500253057. The reversal of 71500253024 is 42035200517.

It is a happy number.

It is a super-2 number, since 2×71500253024² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117191422 + ... + 1117191485.

It is an arithmetic number, because the mean of its divisors is an integer number (11730510267).

Almost surely, 2^71500253024 is an apocalyptic number.

It is an amenable number.

71500253024 is a deficient number, since it is larger than the sum of its proper divisors (69265870180).

71500253024 is a wasteful number, since it uses less digits than its factorization.

71500253024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234382917 (or 2234382909 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 71500253024 in words is "seventy-one billion, five hundred million, two hundred fifty-three thousand, twenty-four".