674866933 has 4 divisors (see below), whose sum is σ = 726779788. Its totient is φ = 622954080.

The previous prime is 674866921. The next prime is 674866949. The reversal of 674866933 is 339668476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243141649 + 431725284 = 15593^2 + 20778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674866933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674866903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25956408 + ... + 25956433.

It is an arithmetic number, because the mean of its divisors is an integer number (181694947).

Almost surely, 2^674866933 is an apocalyptic number.

It is an amenable number.

674866933 is a deficient number, since it is larger than the sum of its proper divisors (51912855).

674866933 is a wasteful number, since it uses less digits than its factorization.

674866933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51912854.

The product of its digits is 3919104, while the sum is 52.

The square root of 674866933 is about 25978.2011117013. The cubic root of 674866933 is about 877.1476746729.

The spelling of 674866933 in words is "six hundred seventy-four million, eight hundred sixty-six thousand, nine hundred thirty-three".