72504238 has 8 divisors (see below), whose sum is σ = 111695832. Its totient is φ = 35272296.

The previous prime is 72504217. The next prime is 72504239. The reversal of 72504238 is 83240527.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72504239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 489820 + ... + 489967.

It is an arithmetic number, because the mean of its divisors is an integer number (13961979).

Almost surely, 2^72504238 is an apocalyptic number.

72504238 is a deficient number, since it is larger than the sum of its proper divisors (39191594).

72504238 is a wasteful number, since it uses less digits than its factorization.

72504238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979826.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 72504238 is about 8514.9420432555. The cubic root of 72504238 is about 416.9856704433.

The spelling of 72504238 in words is "seventy-two million, five hundred four thousand, two hundred thirty-eight".