72612265 has 32 divisors (see below), whose sum is σ = 100922112. Its totient is φ = 49632000.

The previous prime is 72612247. The next prime is 72612307. The reversal of 72612265 is 56221627.

It is not a de Polignac number, because 72612265 - 2⁹ = 72611753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76695 + ... + 77635.

It is an arithmetic number, because the mean of its divisors is an integer number (3153816).

Almost surely, 2^72612265 is an apocalyptic number.

It is an amenable number.

72612265 is a deficient number, since it is larger than the sum of its proper divisors (28309847).

72612265 is a wasteful number, since it uses less digits than its factorization.

72612265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its digits is 10080, while the sum is 31.

The square root of 72612265 is about 8521.2830606664. The cubic root of 72612265 is about 417.1926622870.

The spelling of 72612265 in words is "seventy-two million, six hundred twelve thousand, two hundred sixty-five".