674074656 has 48 divisors (see below), whose sum is σ = 1966053600. Its totient is φ = 224691264.

The previous prime is 674074651. The next prime is 674074657. The reversal of 674074656 is 656470476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (674074651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389226 + ... + 390953.

It is an arithmetic number, because the mean of its divisors is an integer number (40959450).

Almost surely, 2^674074656 is an apocalyptic number.

It is an amenable number.

674074656 is an abundant number, since it is smaller than the sum of its proper divisors (1291978944).

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

674074656 is a wasteful number, since it uses less digits than its factorization.

674074656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780198 (or 780184 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 674074656 is about 25962.9477525184. The cubic root of 674074656 is about 876.8042904091.

The spelling of 674074656 in words is "six hundred seventy-four million, seventy-four thousand, six hundred fifty-six".