674349528 has 128 divisors (see below), whose sum is σ = 1804420800. Its totient is φ = 209664000.

The previous prime is 674349503. The next prime is 674349563. The reversal of 674349528 is 825943476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3725598 + ... + 3725778.

Almost surely, 2^674349528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674349528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902210400).

674349528 is an abundant number, since it is smaller than the sum of its proper divisors (1130071272).

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

674349528 is a wasteful number, since it uses less digits than its factorization.

674349528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 674349528 is about 25968.2407567398. The cubic root of 674349528 is about 876.9234543598.

The spelling of 674349528 in words is "six hundred seventy-four million, three hundred forty-nine thousand, five hundred twenty-eight".