672402836 has 48 divisors (see below), whose sum is σ = 1438690176. Its totient is φ = 268406784.

The previous prime is 672402833. The next prime is 672402877. The reversal of 672402836 is 638204276.

It is a self number, because there is not a number n which added to its sum of digits gives 672402836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672402833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38891 + ... + 53453.

It is an arithmetic number, because the mean of its divisors is an integer number (29972712).

Almost surely, 2^672402836 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 672402836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719345088).

672402836 is an abundant number, since it is smaller than the sum of its proper divisors (766287340).

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

672402836 is a wasteful number, since it uses less digits than its factorization.

672402836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14688 (or 14686 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 672402836 is about 25930.7314975880. The cubic root of 672402836 is about 876.0788156326.

The spelling of 672402836 in words is "six hundred seventy-two million, four hundred two thousand, eight hundred thirty-six".