672255320 has 128 divisors (see below), whose sum is σ = 1693612800. Its totient is φ = 238118400.

The previous prime is 672255313. The next prime is 672255329. The reversal of 672255320 is 23552276.

672255320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672255329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5131655 + ... + 5131785.

It is an arithmetic number, because the mean of its divisors is an integer number (13231350).

Almost surely, 2^672255320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672255320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846806400).

672255320 is an abundant number, since it is smaller than the sum of its proper divisors (1021357480).

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

672255320 is a wasteful number, since it uses less digits than its factorization.

672255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 672255320 is about 25927.8869173714. The cubic root of 672255320 is about 876.0147443707.

The spelling of 672255320 in words is "six hundred seventy-two million, two hundred fifty-five thousand, three hundred twenty".