72872165942 has 8 divisors (see below), whose sum is σ = 109309664376. Its totient is φ = 36435611152.

The previous prime is 72872165879. The next prime is 72872165953. The reversal of 72872165942 is 24956127827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7298 + ... + 381834.

It is an arithmetic number, because the mean of its divisors is an integer number (13663708047).

Almost surely, 2^72872165942 is an apocalyptic number.

72872165942 is a deficient number, since it is larger than the sum of its proper divisors (36437498434).

72872165942 is a wasteful number, since it uses less digits than its factorization.

72872165942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471822.

The product of its digits is 3386880, while the sum is 53.

The spelling of 72872165942 in words is "seventy-two billion, eight hundred seventy-two million, one hundred sixty-five thousand, nine hundred forty-two".