672516560 has 80 divisors (see below), whose sum is σ = 1612771776. Its totient is φ = 260649984.

The previous prime is 672516557. The next prime is 672516577. The reversal of 672516560 is 65615276.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470567 + ... + 471993.

Almost surely, 2^672516560 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 672516560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806385888).

672516560 is an abundant number, since it is smaller than the sum of its proper divisors (940255216).

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

672516560 is a wasteful number, since it uses less digits than its factorization.

672516560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 672516560 is about 25932.9242469877. The cubic root of 672516560 is about 876.1282034725.

The spelling of 672516560 in words is "six hundred seventy-two million, five hundred sixteen thousand, five hundred sixty".