72927168 has 56 divisors (see below), whose sum is σ = 203118720. Its totient is φ = 23028480.

The previous prime is 72927167. The next prime is 72927209. The reversal of 72927168 is 86172927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72927163) by changing a digit.

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, 6348 + ... + 13643.

It is an arithmetic number, because the mean of its divisors is an integer number (3627120).

Almost surely, 2^72927168 is an apocalyptic number.

It is an amenable number.

72927168 is an abundant number, since it is smaller than the sum of its proper divisors (130191552).

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

72927168 is a wasteful number, since it uses less digits than its factorization.

72927168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025 (or 20015 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 72927168 is about 8539.7405112802. The cubic root of 72927168 is about 417.7948826892.

The spelling of 72927168 in words is "seventy-two million, nine hundred twenty-seven thousand, one hundred sixty-eight".