72790157 has 8 divisors (see below), whose sum is σ = 79548480. Its totient is φ = 66055360.

The previous prime is 72790127. The next prime is 72790181. The reversal of 72790157 is 75109727.

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 72790157 - 2⁶ = 72790093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72790157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72790127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944 + ... + 12102.

It is an arithmetic number, because the mean of its divisors is an integer number (9943560).

Almost surely, 2^72790157 is an apocalyptic number.

It is an amenable number.

72790157 is a deficient number, since it is larger than the sum of its proper divisors (6758323).

72790157 is a wasteful number, since it uses less digits than its factorization.

72790157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11763.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 72790157 is about 8531.7147748855. The cubic root of 72790157 is about 417.5330763712.

The spelling of 72790157 in words is "seventy-two million, seven hundred ninety thousand, one hundred fifty-seven".