672400560 has 160 divisors (see below), whose sum is σ = 2282228928. Its totient is φ = 162754560.

The previous prime is 672400537. The next prime is 672400577. The reversal of 672400560 is 65004276.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 188554 + ... + 192086.

Almost surely, 2^672400560 is an apocalyptic number.

672400560 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 672400560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141114464).

672400560 is an abundant number, since it is smaller than the sum of its proper divisors (1609828368).

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

672400560 is a wasteful number, since it uses less digits than its factorization.

672400560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 672400560 is about 25930.6876113997. The cubic root of 672400560 is about 876.0778271589.

The spelling of 672400560 in words is "six hundred seventy-two million, four hundred thousand, five hundred sixty".