672489160 has 128 divisors (see below), whose sum is σ = 1783710720. Its totient is φ = 223414272.

The previous prime is 672489143. The next prime is 672489187. The reversal of 672489160 is 61984276.

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 31 ways as a sum of consecutive naturals, for example, 1802734 + ... + 1803106.

It is an arithmetic number, because the mean of its divisors is an integer number (13935240).

Almost surely, 2^672489160 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 672489160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891855360).

672489160 is an abundant number, since it is smaller than the sum of its proper divisors (1111221560).

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

672489160 is a wasteful number, since it uses less digits than its factorization.

672489160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 672489160 is about 25932.3959556382. The cubic root of 672489160 is about 876.1163047624.

The spelling of 672489160 in words is "six hundred seventy-two million, four hundred eighty-nine thousand, one hundred sixty".