674880921 has 48 divisors (see below), whose sum is σ = 1154549760. Its totient is φ = 374492160.

The previous prime is 674880917. The next prime is 674880923. The reversal of 674880921 is 129088476.

It is not a de Polignac number, because 674880921 - 2² = 674880917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674880923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161385 + ... + 165513.

It is an arithmetic number, because the mean of its divisors is an integer number (24053120).

Almost surely, 2^674880921 is an apocalyptic number.

It is an amenable number.

674880921 is a deficient number, since it is larger than the sum of its proper divisors (479668839).

674880921 is a wasteful number, since it uses less digits than its factorization.

674880921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 674880921 is about 25978.4703360302. The cubic root of 674880921 is about 877.1537348586.

The spelling of 674880921 in words is "six hundred seventy-four million, eight hundred eighty thousand, nine hundred twenty-one".