72671152 has 20 divisors (see below), whose sum is σ = 142585120. Its totient is φ = 35875008.

The previous prime is 72671149. The next prime is 72671153. The reversal of 72671152 is 25117627.

It is not an unprimeable number, because it can be changed into a prime (72671153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27483 + ... + 30010.

It is an arithmetic number, because the mean of its divisors is an integer number (7129256).

Almost surely, 2^72671152 is an apocalyptic number.

It is an amenable number.

72671152 is a deficient number, since it is larger than the sum of its proper divisors (69913968).

72671152 is a wasteful number, since it uses less digits than its factorization.

72671152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57580 (or 57574 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 72671152 is about 8524.7376499221. The cubic root of 72671152 is about 417.3054099343.

Adding to 72671152 its reverse (25117627), we get a palindrome (97788779).

The spelling of 72671152 in words is "seventy-two million, six hundred seventy-one thousand, one hundred fifty-two".