674894090 has 48 divisors (see below), whose sum is σ = 1355143608. Its totient is φ = 240559872.

The previous prime is 674894089. The next prime is 674894131. The reversal of 674894090 is 90498476.

It can be written as a sum of positive squares in 12 ways, for example, as 25816561 + 649077529 = 5081^2 + 25477^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106244 + ... + 112416.

Almost surely, 2^674894090 is an apocalyptic number.

674894090 is an abundant number, since it is smaller than the sum of its proper divisors (680249518).

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

674894090 is a wasteful number, since it uses less digits than its factorization.

674894090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251 (or 6222 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 674894090 is about 25978.7237946747. The cubic root of 674894090 is about 877.1594401428.

The spelling of 674894090 in words is "six hundred seventy-four million, eight hundred ninety-four thousand, ninety".