674666756 has 12 divisors (see below), whose sum is σ = 1183752192. Its totient is φ = 336451848.

The previous prime is 674666753. The next prime is 674666761. The reversal of 674666756 is 657666476.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 674666698 and 674666707.

It is not an unprimeable number, because it can be changed into a prime (674666753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218660 + ... + 221723.

It is an arithmetic number, because the mean of its divisors is an integer number (98646016).

Almost surely, 2^674666756 is an apocalyptic number.

It is an amenable number.

674666756 is a deficient number, since it is larger than the sum of its proper divisors (509085436).

674666756 is a wasteful number, since it uses less digits than its factorization.

674666756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440770 (or 440768 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The square root of 674666756 is about 25974.3480380163. The cubic root of 674666756 is about 877.0609404616.

The spelling of 674666756 in words is "six hundred seventy-four million, six hundred sixty-six thousand, seven hundred fifty-six".