72798670 has 32 divisors (see below), whose sum is σ = 150330816. Its totient is φ = 24864000.

The previous prime is 72798667. The next prime is 72798689. The reversal of 72798670 is 7689727.

It is a self number, because there is not a number n which added to its sum of digits gives 72798670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17820 + ... + 21520.

It is an arithmetic number, because the mean of its divisors is an integer number (4697838).

Almost surely, 2^72798670 is an apocalyptic number.

72798670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72798670 is an abundant number, since it is smaller than the sum of its proper divisors (77532146).

72798670 is a wasteful number, since it uses less digits than its factorization.

72798670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 72798670 is about 8532.2136635225. The cubic root of 72798670 is about 417.5493529332.

The spelling of 72798670 in words is "seventy-two million, seven hundred ninety-eight thousand, six hundred seventy".