674107665 has 64 divisors (see below), whose sum is σ = 1348945920. Its totient is φ = 279267840.

The previous prime is 674107663. The next prime is 674107727. The reversal of 674107665 is 566701476.

It is not a de Polignac number, because 674107665 - 2¹ = 674107663 is a prime.

It is a super-2 number, since 2×674107665² = 908842288023504450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674107663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471682 + ... + 473108.

It is an arithmetic number, because the mean of its divisors is an integer number (21077280).

Almost surely, 2^674107665 is an apocalyptic number.

It is an amenable number.

674107665 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

674107665 is a wasteful number, since it uses less digits than its factorization.

674107665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 674107665 is about 25963.5834391172. The cubic root of 674107665 is about 876.8186023552.

The spelling of 674107665 in words is "six hundred seventy-four million, one hundred seven thousand, six hundred sixty-five".