674636507 has 8 divisors (see below), whose sum is σ = 686400000. Its totient is φ = 662973480.

The previous prime is 674636489. The next prime is 674636561. The reversal of 674636507 is 705636476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674636507 - 2¹⁰ = 674635483 is a prime.

It is a super-2 number, since 2×674636507² = 910268833154322098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674636597) 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, 11507 + ... + 38492.

It is an arithmetic number, because the mean of its divisors is an integer number (85800000).

Almost surely, 2^674636507 is an apocalyptic number.

674636507 is a deficient number, since it is larger than the sum of its proper divisors (11763493).

674636507 is a wasteful number, since it uses less digits than its factorization.

674636507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50233.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 674636507 is about 25973.7657454594. The cubic root of 674636507 is about 877.0478324530.

The spelling of 674636507 in words is "six hundred seventy-four million, six hundred thirty-six thousand, five hundred seven".