72256255 has 16 divisors (see below), whose sum is σ = 90201600. Its totient is φ = 55498240.

The previous prime is 72256229. The next prime is 72256291. The reversal of 72256255 is 55265227.

It is not a de Polignac number, because 72256255 - 2⁷ = 72256127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72256255.

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, 26391 + ... + 28999.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^72256255 is an apocalyptic number.

72256255 is a deficient number, since it is larger than the sum of its proper divisors (17945345).

72256255 is a wasteful number, since it uses less digits than its factorization.

72256255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834.

The product of its digits is 42000, while the sum is 34.

The square root of 72256255 is about 8500.3679332132. The cubic root of 72256255 is about 416.5097282740.

The spelling of 72256255 in words is "seventy-two million, two hundred fifty-six thousand, two hundred fifty-five".