674728892 has 24 divisors (see below), whose sum is σ = 1219088640. Its totient is φ = 326514240.

The previous prime is 674728823. The next prime is 674728907. The reversal of 674728892 is 298827476.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 16334 + ... + 40202.

It is an arithmetic number, because the mean of its divisors is an integer number (50795360).

Almost surely, 2^674728892 is an apocalyptic number.

It is an amenable number.

674728892 is a deficient number, since it is larger than the sum of its proper divisors (544359748).

674728892 is a wasteful number, since it uses less digits than its factorization.

674728892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24101 (or 24099 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 674728892 is about 25975.5441136466. The cubic root of 674728892 is about 877.0878650557.

The spelling of 674728892 in words is "six hundred seventy-four million, seven hundred twenty-eight thousand, eight hundred ninety-two".