72884055 has 16 divisors (see below), whose sum is σ = 116720640. Its totient is φ = 38836128.

The previous prime is 72884041. The next prime is 72884089. The reversal of 72884055 is 55048827.

It is not a de Polignac number, because 72884055 - 2⁵ = 72884023 is a prime.

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, 29394 + ... + 31776.

It is an arithmetic number, because the mean of its divisors is an integer number (7295040).

Almost surely, 2^72884055 is an apocalyptic number.

72884055 is a deficient number, since it is larger than the sum of its proper divisors (43836585).

72884055 is a wasteful number, since it uses less digits than its factorization.

72884055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 72884055 is about 8537.2158810704. The cubic root of 72884055 is about 417.7125359591.

The spelling of 72884055 in words is "seventy-two million, eight hundred eighty-four thousand, fifty-five".