72855274 has 8 divisors (see below), whose sum is σ = 109322208. Its totient is φ = 36414540.

The previous prime is 72855271. The next prime is 72855359. The reversal of 72855274 is 47255827.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (72855271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469 + ... + 12559.

It is an arithmetic number, because the mean of its divisors is an integer number (13665276).

Almost surely, 2^72855274 is an apocalyptic number.

72855274 is a deficient number, since it is larger than the sum of its proper divisors (36466934).

72855274 is a wasteful number, since it uses less digits than its factorization.

72855274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13100.

The product of its digits is 156800, while the sum is 40.

The square root of 72855274 is about 8535.5300948447. The cubic root of 72855274 is about 417.6575455714.

The spelling of 72855274 in words is "seventy-two million, eight hundred fifty-five thousand, two hundred seventy-four".