71290519024 has 40 divisors (see below), whose sum is σ = 139911647760. Its totient is φ = 35187199488.

The previous prime is 71290518973. The next prime is 71290519067. The reversal of 71290519024 is 42091509217.

It is a happy number.

It is a super-2 number, since 2×71290519024² (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 in 7 ways as a sum of consecutive naturals, for example, 301522 + ... + 483214.

It is an arithmetic number, because the mean of its divisors is an integer number (3497791194).

Almost surely, 2^71290519024 is an apocalyptic number.

It is an amenable number.

71290519024 is a deficient number, since it is larger than the sum of its proper divisors (68621128736).

71290519024 is a wasteful number, since it uses less digits than its factorization.

71290519024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182017 (or 182011 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 71290519024 in words is "seventy-one billion, two hundred ninety million, five hundred nineteen thousand, twenty-four".