71356973102 has 32 divisors (see below), whose sum is σ = 117422887680. Its totient is φ = 32375600640.

The previous prime is 71356973087. The next prime is 71356973123. The reversal of 71356973102 is 20137965317.

It is a super-2 number, since 2×71356973102² (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 15 ways as a sum of consecutive naturals, for example, 157688 + ... + 409364.

It is an arithmetic number, because the mean of its divisors is an integer number (3669465240).

Almost surely, 2^71356973102 is an apocalyptic number.

71356973102 is a deficient number, since it is larger than the sum of its proper divisors (46065914578).

71356973102 is a wasteful number, since it uses less digits than its factorization.

71356973102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251996.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 71356973102 in words is "seventy-one billion, three hundred fifty-six million, nine hundred seventy-three thousand, one hundred two".