72404153 has 8 divisors (see below), whose sum is σ = 75473472. Its totient is φ = 69393456.

The previous prime is 72404141. The next prime is 72404177. The reversal of 72404153 is 35140427.

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 72404153 - 2⁸ = 72403897 is a prime.

It is a super-2 number, since 2×72404153² = 10484722743294818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72406153) 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, 12125 + ... + 17082.

It is an arithmetic number, because the mean of its divisors is an integer number (9434184).

Almost surely, 2^72404153 is an apocalyptic number.

It is an amenable number.

72404153 is a deficient number, since it is larger than the sum of its proper divisors (3069319).

72404153 is a wasteful number, since it uses less digits than its factorization.

72404153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29311.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72404153 is about 8509.0629918928. The cubic root of 72404153 is about 416.7937127961.

The spelling of 72404153 in words is "seventy-two million, four hundred four thousand, one hundred fifty-three".