672516416 has 56 divisors (see below), whose sum is σ = 1567854624. Its totient is φ = 282170880.

The previous prime is 672516407. The next prime is 672516443. The reversal of 672516416 is 614615276.

It is a self number, because there is not a number n which added to its sum of digits gives 672516416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27590 + ... + 45893.

It is an arithmetic number, because the mean of its divisors is an integer number (27997404).

Almost surely, 2^672516416 is an apocalyptic number.

It is an amenable number.

672516416 is an abundant number, since it is smaller than the sum of its proper divisors (895338208).

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

672516416 is a wasteful number, since it uses less digits than its factorization.

672516416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73519 (or 73509 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 672516416 is about 25932.9214705941. The cubic root of 672516416 is about 876.1281409400.

The spelling of 672516416 in words is "six hundred seventy-two million, five hundred sixteen thousand, four hundred sixteen".