72572160 has 72 divisors (see below), whose sum is σ = 231789600. Its totient is φ = 19351552.

The previous prime is 72572141. The next prime is 72572177. The reversal of 72572160 is 6127527.

It is a super-4 number, since 4×72572160⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 5610 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (3219300).

Almost surely, 2^72572160 is an apocalyptic number.

It is an amenable number.

72572160 is an abundant number, since it is smaller than the sum of its proper divisors (159217440).

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

72572160 is a wasteful number, since it uses less digits than its factorization.

72572160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923 (or 18909 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72572160 is about 8518.9295102143. The cubic root of 72572160 is about 417.1158405865.

Adding to 72572160 its reverse (6127527), we get a palindrome (78699687).

The spelling of 72572160 in words is "seventy-two million, five hundred seventy-two thousand, one hundred sixty".