672621360 has 160 divisors (see below), whose sum is σ = 2171378880. Its totient is φ = 172032000.

The previous prime is 672621347. The next prime is 672621373. The reversal of 672621360 is 63126276.

It is an interprime number because it is at equal distance from previous prime (672621347) and next prime (672621373).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1677160 + ... + 1677560.

It is an arithmetic number, because the mean of its divisors is an integer number (13571118).

Almost surely, 2^672621360 is an apocalyptic number.

672621360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672621360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085689440).

672621360 is an abundant number, since it is smaller than the sum of its proper divisors (1498757520).

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

672621360 is a wasteful number, since it uses less digits than its factorization.

672621360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 672621360 is about 25934.9447657017. The cubic root of 672621360 is about 876.1737108856.

The spelling of 672621360 in words is "six hundred seventy-two million, six hundred twenty-one thousand, three hundred sixty".