674991308 has 12 divisors (see below), whose sum is σ = 1194507720. Its totient is φ = 333703392.

The previous prime is 674991287. The next prime is 674991311. The reversal of 674991308 is 803199476.

It is a super-2 number, since 2×674991308² = 911226531751101728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947666 + ... + 948377.

It is an arithmetic number, because the mean of its divisors is an integer number (99542310).

Almost surely, 2^674991308 is an apocalyptic number.

It is an amenable number.

674991308 is a deficient number, since it is larger than the sum of its proper divisors (519516412).

674991308 is a wasteful number, since it uses less digits than its factorization.

674991308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896136 (or 1896134 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 674991308 is about 25980.5948353767. The cubic root of 674991308 is about 877.2015561792.

The spelling of 674991308 in words is "six hundred seventy-four million, nine hundred ninety-one thousand, three hundred eight".