72079460 has 24 divisors (see below), whose sum is σ = 151857720. Its totient is φ = 28738304.

The previous prime is 72079459. The next prime is 72079477. The reversal of 72079460 is 6497027.

It can be written as a sum of positive squares in 4 ways, for example, as 541696 + 71537764 = 736^2 + 8458^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72079460.

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, 656 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (6327405).

Almost surely, 2^72079460 is an apocalyptic number.

It is an amenable number.

72079460 is an abundant number, since it is smaller than the sum of its proper divisors (79778260).

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

72079460 is a wasteful number, since it uses less digits than its factorization.

72079460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11695 (or 11693 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 72079460 is about 8489.9623085147. The cubic root of 72079460 is about 416.1697485872.

The spelling of 72079460 in words is "seventy-two million, seventy-nine thousand, four hundred sixty".