672155372 has 24 divisors (see below), whose sum is σ = 1349110560. Its totient is φ = 287038080.

The previous prime is 672155347. The next prime is 672155383. The reversal of 672155372 is 273551276.

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, 34847 + ... + 50582.

It is an arithmetic number, because the mean of its divisors is an integer number (56212940).

Almost surely, 2^672155372 is an apocalyptic number.

It is an amenable number.

672155372 is an abundant number, since it is smaller than the sum of its proper divisors (676955188).

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

672155372 is a wasteful number, since it uses less digits than its factorization.

672155372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85721 (or 85719 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 672155372 is about 25925.9594229413. The cubic root of 672155372 is about 875.9713281970.

The spelling of 672155372 in words is "six hundred seventy-two million, one hundred fifty-five thousand, three hundred seventy-two".