674656506 has 16 divisors (see below), whose sum is σ = 1499236800. Its totient is φ = 224885484.

The previous prime is 674656487. The next prime is 674656513. The reversal of 674656506 is 605656476.

674656506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×674656506² = 910322802176256072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6246766 + ... + 6246873.

It is an arithmetic number, because the mean of its divisors is an integer number (93702300).

Almost surely, 2^674656506 is an apocalyptic number.

674656506 is an abundant number, since it is smaller than the sum of its proper divisors (824580294).

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

674656506 is a wasteful number, since it uses less digits than its factorization.

674656506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12493650 (or 12493644 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 674656506 is about 25974.1507272134. The cubic root of 674656506 is about 877.0564988021.

The spelling of 674656506 in words is "six hundred seventy-four million, six hundred fifty-six thousand, five hundred six".