72647160 has 32 divisors (see below), whose sum is σ = 217941840. Its totient is φ = 19372544.

The previous prime is 72647149. The next prime is 72647173. The reversal of 72647160 is 6174627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302577 + ... + 302816.

Almost surely, 2^72647160 is an apocalyptic number.

It is an amenable number.

72647160 is an abundant number, since it is smaller than the sum of its proper divisors (145294680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72647160 is a wasteful number, since it uses less digits than its factorization.

72647160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605407 (or 605403 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72647160 is about 8523.3303350275. The cubic root of 72647160 is about 417.2594811482.

The spelling of 72647160 in words is "seventy-two million, six hundred forty-seven thousand, one hundred sixty".