72504255 has 8 divisors (see below), whose sum is σ = 116006832. Its totient is φ = 38668928.

The previous prime is 72504239. The next prime is 72504283. The reversal of 72504255 is 55240527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72504255 - 2⁴ = 72504239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416794 + ... + 2416823.

It is an arithmetic number, because the mean of its divisors is an integer number (14500854).

Almost surely, 2^72504255 is an apocalyptic number.

72504255 is a deficient number, since it is larger than the sum of its proper divisors (43502577).

72504255 is a wasteful number, since it uses less digits than its factorization.

72504255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833625.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 72504255 is about 8514.9430415006. The cubic root of 72504255 is about 416.9857030333.

The spelling of 72504255 in words is "seventy-two million, five hundred four thousand, two hundred fifty-five".