72077239560 has 64 divisors (see below), whose sum is σ = 216249367680. Its totient is φ = 19219028480.

The previous prime is 72077239547. The next prime is 72077239561. The reversal of 72077239560 is 6593277027.

It is not an unprimeable number, because it can be changed into a prime (72077239561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2876044 + ... + 2900996.

It is an arithmetic number, because the mean of its divisors is an integer number (3378896370).

Almost surely, 2^72077239560 is an apocalyptic number.

It is an amenable number.

72077239560 is an abundant number, since it is smaller than the sum of its proper divisors (144172128120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72077239560 is a wasteful number, since it uses less digits than its factorization.

72077239560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49038 (or 49034 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 48.

The spelling of 72077239560 in words is "seventy-two billion, seventy-seven million, two hundred thirty-nine thousand, five hundred sixty".