674680756 has 6 divisors (see below), whose sum is σ = 1180691330. Its totient is φ = 337340376.

The previous prime is 674680739. The next prime is 674680757. The reversal of 674680756 is 657086476.

It can be written as a sum of positive squares in only one way, i.e., 602702500 + 71978256 = 24550^2 + 8484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674680757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84335091 + ... + 84335098.

Almost surely, 2^674680756 is an apocalyptic number.

It is an amenable number.

674680756 is a deficient number, since it is larger than the sum of its proper divisors (506010574).

674680756 is a wasteful number, since it uses less digits than its factorization.

674680756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168670193 (or 168670191 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 674680756 is about 25974.6175332766. The cubic root of 674680756 is about 877.0670070459.

The spelling of 674680756 in words is "six hundred seventy-four million, six hundred eighty thousand, seven hundred fifty-six".