672013408 has 24 divisors (see below), whose sum is σ = 1443302280. Its totient is φ = 305460480.

The previous prime is 672013343. The next prime is 672013423. The reversal of 672013408 is 804310276.

It is a self number, because there is not a number n which added to its sum of digits gives 672013408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954213 + ... + 954916.

It is an arithmetic number, because the mean of its divisors is an integer number (60137595).

Almost surely, 2^672013408 is an apocalyptic number.

It is an amenable number.

672013408 is an abundant number, since it is smaller than the sum of its proper divisors (771288872).

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

672013408 is a wasteful number, since it uses less digits than its factorization.

672013408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909150 (or 1909142 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 672013408 is about 25923.2214047560. The cubic root of 672013408 is about 875.9096533945.

The spelling of 672013408 in words is "six hundred seventy-two million, thirteen thousand, four hundred eight".