72039057986 has 16 divisors (see below), whose sum is σ = 123536506560. Its totient is φ = 30863637360.

The previous prime is 72039057967. The next prime is 72039058009. The reversal of 72039057986 is 68975093027.

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, 809945 + ... + 894476.

It is an arithmetic number, because the mean of its divisors is an integer number (7721031660).

Almost surely, 2^72039057986 is an apocalyptic number.

72039057986 is a deficient number, since it is larger than the sum of its proper divisors (51497448574).

72039057986 is a wasteful number, since it uses less digits than its factorization.

72039057986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707449.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 72039057986 in words is "seventy-two billion, thirty-nine million, fifty-seven thousand, nine hundred eighty-six".