674125816 has 32 divisors (see below), whose sum is σ = 1555676640. Its totient is φ = 266686848.

The previous prime is 674125789. The next prime is 674125831. The reversal of 674125816 is 618521476.

It is an alternating number because its digits alternate between even and odd.

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, 462271 + ... + 463726.

It is an arithmetic number, because the mean of its divisors is an integer number (48614895).

Almost surely, 2^674125816 is an apocalyptic number.

It is an amenable number.

674125816 is an abundant number, since it is smaller than the sum of its proper divisors (881550824).

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

674125816 is a wasteful number, since it uses less digits than its factorization.

674125816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926023 (or 926019 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 674125816 is about 25963.9329840454. The cubic root of 674125816 is about 876.8264720139.

The spelling of 674125816 in words is "six hundred seventy-four million, one hundred twenty-five thousand, eight hundred sixteen".