72255800 has 24 divisors (see below), whose sum is σ = 167995200. Its totient is φ = 28902240.

The previous prime is 72255769. The next prime is 72255847. The reversal of 72255800 is 855227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180440 + ... + 180839.

It is an arithmetic number, because the mean of its divisors is an integer number (6999800).

Almost surely, 2^72255800 is an apocalyptic number.

It is an amenable number.

72255800 is an abundant number, since it is smaller than the sum of its proper divisors (95739400).

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

72255800 is a wasteful number, since it uses less digits than its factorization.

72255800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361295 (or 361286 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 72255800 is about 8500.3411696237. The cubic root of 72255800 is about 416.5088540137.

The spelling of 72255800 in words is "seventy-two million, two hundred fifty-five thousand, eight hundred".