72653055 has 24 divisors (see below), whose sum is σ = 122694192. Its totient is φ = 36706176.

The previous prime is 72653051. The next prime is 72653059. The reversal of 72653055 is 55035627.

It is an interprime number because it is at equal distance from previous prime (72653051) and next prime (72653059).

It is not a de Polignac number, because 72653055 - 2² = 72653051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72653051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1294 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (5112258).

Almost surely, 2^72653055 is an apocalyptic number.

72653055 is a deficient number, since it is larger than the sum of its proper divisors (50041137).

72653055 is a wasteful number, since it uses less digits than its factorization.

72653055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463 (or 13444 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 72653055 is about 8523.6761435428. The cubic root of 72653055 is about 417.2707671049.

The spelling of 72653055 in words is "seventy-two million, six hundred fifty-three thousand, fifty-five".