672298320 has 160 divisors (see below), whose sum is σ = 2261105280. Its totient is φ = 164577280.

The previous prime is 672298283. The next prime is 672298321. The reversal of 672298320 is 23892276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672298321) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 165271 + ... + 169289.

It is an arithmetic number, because the mean of its divisors is an integer number (14131908).

Almost surely, 2^672298320 is an apocalyptic number.

672298320 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 672298320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130552640).

672298320 is an abundant number, since it is smaller than the sum of its proper divisors (1588806960).

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

672298320 is a wasteful number, since it uses less digits than its factorization.

672298320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093 (or 4087 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 672298320 is about 25928.7161271051. The cubic root of 672298320 is about 876.0334217144.

The spelling of 672298320 in words is "six hundred seventy-two million, two hundred ninety-eight thousand, three hundred twenty".