672284400 has 60 divisors (see below), whose sum is σ = 2153554872. Its totient is φ = 179275520.

The previous prime is 672284387. The next prime is 672284419. The reversal of 672284400 is 4482276.

It is a tau number, because it is divible by the number of its divisors (60).

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278919 + ... + 281318.

Almost surely, 2^672284400 is an apocalyptic number.

672284400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672284400 is an abundant number, since it is smaller than the sum of its proper divisors (1481270472).

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

672284400 is a wasteful number, since it uses less digits than its factorization.

672284400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560258 (or 560247 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 672284400 is about 25928.4476974616. The cubic root of 672284400 is about 876.0273755545.

The spelling of 672284400 in words is "six hundred seventy-two million, two hundred eighty-four thousand, four hundred".