674497390 has 16 divisors (see below), whose sum is σ = 1387537632. Its totient is φ = 231256224.

The previous prime is 674497387. The next prime is 674497391. The reversal of 674497390 is 93794476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674497391) 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, 4817769 + ... + 4817908.

It is an arithmetic number, because the mean of its divisors is an integer number (86721102).

Almost surely, 2^674497390 is an apocalyptic number.

674497390 is an abundant number, since it is smaller than the sum of its proper divisors (713040242).

674497390 is a wasteful number, since it uses less digits than its factorization.

674497390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635691.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 674497390 is about 25971.0875783052. The cubic root of 674497390 is about 876.9875428750.

The spelling of 674497390 in words is "six hundred seventy-four million, four hundred ninety-seven thousand, three hundred ninety".