672708480 has 128 divisors (see below), whose sum is σ = 2166112800. Its totient is φ = 177561600.

The previous prime is 672708467. The next prime is 672708493. The reversal of 672708480 is 84807276.

It is an interprime number because it is at equal distance from previous prime (672708467) and next prime (672708493).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 192186 + ... + 195654.

Almost surely, 2^672708480 is an apocalyptic number.

672708480 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 672708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083056400).

672708480 is an abundant number, since it is smaller than the sum of its proper divisors (1493404320).

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

672708480 is a wasteful number, since it uses less digits than its factorization.

672708480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 672708480 is about 25936.6242984703. The cubic root of 672708480 is about 876.2115374960.

The spelling of 672708480 in words is "six hundred seventy-two million, seven hundred eight thousand, four hundred eighty".