72280032110 has 64 divisors (see below), whose sum is σ = 155440373760. Its totient is φ = 23850583680.

The previous prime is 72280032079. The next prime is 72280032113. The reversal of 72280032110 is 1123008227.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 72280032110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72280032113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343982 + ... + 512721.

It is an arithmetic number, because the mean of its divisors is an integer number (2428755840).

Almost surely, 2^72280032110 is an apocalyptic number.

72280032110 is an abundant number, since it is smaller than the sum of its proper divisors (83160341650).

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

72280032110 is a wasteful number, since it uses less digits than its factorization.

72280032110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856793.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 72280032110 in words is "seventy-two billion, two hundred eighty million, thirty-two thousand, one hundred ten".