674632560 has 80 divisors (see below), whose sum is σ = 2390132736. Its totient is φ = 154201344.

The previous prime is 674632523. The next prime is 674632589. The reversal of 674632560 is 65236476.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199104 + ... + 202463.

Almost surely, 2^674632560 is an apocalyptic number.

674632560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674632560 is an abundant number, since it is smaller than the sum of its proper divisors (1715500176).

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

674632560 is a wasteful number, since it uses less digits than its factorization.

674632560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401590 (or 401584 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 674632560 is about 25973.6897648370. The cubic root of 674632560 is about 877.0461220433.

The spelling of 674632560 in words is "six hundred seventy-four million, six hundred thirty-two thousand, five hundred sixty".