674724530 has 16 divisors (see below), whose sum is σ = 1215019224. Its totient is φ = 269775360.

The previous prime is 674724529. The next prime is 674724551. The reversal of 674724530 is 35427476.

It can be written as a sum of positive squares in 4 ways, for example, as 670343881 + 4380649 = 25891^2 + 2093^2 .

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, 12920 + ... + 38940.

Almost surely, 2^674724530 is an apocalyptic number.

674724530 is a deficient number, since it is larger than the sum of its proper divisors (540294694).

674724530 is a wasteful number, since it uses less digits than its factorization.

674724530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28621.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 674724530 is about 25975.4601499184. The cubic root of 674724530 is about 877.0859749803.

The spelling of 674724530 in words is "six hundred seventy-four million, seven hundred twenty-four thousand, five hundred thirty".