72055234 has 16 divisors (see below), whose sum is σ = 110129760. Its totient is φ = 35350560.

The previous prime is 72055219. The next prime is 72055261. The reversal of 72055234 is 43255027.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29637 + ... + 31975.

It is an arithmetic number, because the mean of its divisors is an integer number (6883110).

Almost surely, 2^72055234 is an apocalyptic number.

72055234 is a deficient number, since it is larger than the sum of its proper divisors (38074526).

72055234 is a wasteful number, since it uses less digits than its factorization.

72055234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 72055234 is about 8488.5354449398. The cubic root of 72055234 is about 416.1231182985.

The spelling of 72055234 in words is "seventy-two million, fifty-five thousand, two hundred thirty-four".