674216328 has 32 divisors (see below), whose sum is σ = 1784691360. Its totient is φ = 211518720.

The previous prime is 674216299. The next prime is 674216369. The reversal of 674216328 is 823612476.

It is a happy number.

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, 825838 + ... + 826653.

It is an arithmetic number, because the mean of its divisors is an integer number (55771605).

Almost surely, 2^674216328 is an apocalyptic number.

674216328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

674216328 is an abundant number, since it is smaller than the sum of its proper divisors (1110475032).

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

674216328 is a wasteful number, since it uses less digits than its factorization.

674216328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652517 (or 1652513 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 674216328 is about 25965.6759588500. The cubic root of 674216328 is about 876.8657128421.

The spelling of 674216328 in words is "six hundred seventy-four million, two hundred sixteen thousand, three hundred twenty-eight".