674308408 has 16 divisors (see below), whose sum is σ = 1264606560. Its totient is φ = 337080000.

The previous prime is 674308399. The next prime is 674308471. The reversal of 674308408 is 804803476.

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, 58308 + ... + 68908.

It is an arithmetic number, because the mean of its divisors is an integer number (79037910).

Almost surely, 2^674308408 is an apocalyptic number.

It is an amenable number.

674308408 is a deficient number, since it is larger than the sum of its proper divisors (590298152).

674308408 is a wasteful number, since it uses less digits than its factorization.

674308408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18558 (or 18554 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 674308408 is about 25967.4490083258. The cubic root of 674308408 is about 876.9056298618.

The spelling of 674308408 in words is "six hundred seventy-four million, three hundred eight thousand, four hundred eight".