72160518 has 16 divisors (see below), whose sum is σ = 151917120. Its totient is φ = 22787496.

The previous prime is 72160483. The next prime is 72160559. The reversal of 72160518 is 81506127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316380 + ... + 316607.

It is an arithmetic number, because the mean of its divisors is an integer number (9494820).

Almost surely, 2^72160518 is an apocalyptic number.

72160518 is an abundant number, since it is smaller than the sum of its proper divisors (79756602).

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

72160518 is a wasteful number, since it uses less digits than its factorization.

72160518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633011.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 72160518 is about 8494.7347221676. The cubic root of 72160518 is about 416.3256933832.

The spelling of 72160518 in words is "seventy-two million, one hundred sixty thousand, five hundred eighteen".