72613255 has 32 divisors (see below), whose sum is σ = 104908608. Its totient is φ = 47539200.

The previous prime is 72613223. The next prime is 72613259. The reversal of 72613255 is 55231627.

It is not a de Polignac number, because 72613255 - 2⁵ = 72613223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72613259) 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, 28077 + ... + 30553.

It is an arithmetic number, because the mean of its divisors is an integer number (3278394).

Almost surely, 2^72613255 is an apocalyptic number.

72613255 is a deficient number, since it is larger than the sum of its proper divisors (32295353).

72613255 is a wasteful number, since it uses less digits than its factorization.

72613255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547.

The product of its digits is 12600, while the sum is 31.

The square root of 72613255 is about 8521.3411503120. The cubic root of 72613255 is about 417.1945582884.

The spelling of 72613255 in words is "seventy-two million, six hundred thirteen thousand, two hundred fifty-five".