72961500371 has 12 divisors (see below), whose sum is σ = 78376694760. Its totient is φ = 67898054400.

The previous prime is 72961500323. The next prime is 72961500401. The reversal of 72961500371 is 17300516927.

It is not a de Polignac number, because 72961500371 - 2²² = 72957306067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72961500301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1392605 + ... + 1444046.

It is an arithmetic number, because the mean of its divisors is an integer number (6531391230).

Almost surely, 2^72961500371 is an apocalyptic number.

72961500371 is a deficient number, since it is larger than the sum of its proper divisors (5415194389).

72961500371 is a wasteful number, since it uses less digits than its factorization.

72961500371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836774 (or 2836757 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The spelling of 72961500371 in words is "seventy-two billion, nine hundred sixty-one million, five hundred thousand, three hundred seventy-one".