672990792 has 64 divisors (see below), whose sum is σ = 1780531200. Its totient is φ = 211383360.

The previous prime is 672990763. The next prime is 672990797. The reversal of 672990792 is 297099276.

It is a super-2 number, since 2×672990792² = 905833212233574528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672990797) 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, 83233 + ... + 90959.

It is an arithmetic number, because the mean of its divisors is an integer number (27820800).

Almost surely, 2^672990792 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 672990792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890265600).

672990792 is an abundant number, since it is smaller than the sum of its proper divisors (1107540408).

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

672990792 is a wasteful number, since it uses less digits than its factorization.

672990792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946 (or 7942 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 672990792 is about 25942.0660703807. The cubic root of 672990792 is about 876.3340920366.

The spelling of 672990792 in words is "six hundred seventy-two million, nine hundred ninety thousand, seven hundred ninety-two".