674192720 has 30 divisors (see below), whose sum is σ = 1568038218. Its totient is φ = 269584192.

The previous prime is 674192719. The next prime is 674192731. The reversal of 674192720 is 27291476.

It can be written as a sum of positive squares in only one way, i.e., 539354176 + 134838544 = 23224^2 + 11612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230789 + ... + 233691.

Almost surely, 2^674192720 is an apocalyptic number.

It is an amenable number.

674192720 is an abundant number, since it is smaller than the sum of its proper divisors (893845498).

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

674192720 is an frugal number, since it uses more digits than its factorization.

674192720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 674192720 is about 25965.2213547276. The cubic root of 674192720 is about 876.8554781016.

The spelling of 674192720 in words is "six hundred seventy-four million, one hundred ninety-two thousand, seven hundred twenty".