672831516 has 96 divisors (see below), whose sum is σ = 1834560000. Its totient is φ = 187953408.

The previous prime is 672831451. The next prime is 672831517. The reversal of 672831516 is 615138276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672831517) 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, 1729450 + ... + 1729838.

It is an arithmetic number, because the mean of its divisors is an integer number (19110000).

Almost surely, 2^672831516 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 672831516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917280000).

672831516 is an abundant number, since it is smaller than the sum of its proper divisors (1161728484).

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

672831516 is a wasteful number, since it uses less digits than its factorization.

672831516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 672831516 is about 25938.9960484210. The cubic root of 672831516 is about 876.2649529026.

The spelling of 672831516 in words is "six hundred seventy-two million, eight hundred thirty-one thousand, five hundred sixteen".