674165999 has 8 divisors (see below), whose sum is σ = 764237040. Its totient is φ = 589553856.

The previous prime is 674165983. The next prime is 674166001. The reversal of 674165999 is 999561476.

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 674165999 - 2⁴ = 674165983 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 (674165909) 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, 1364462 + ... + 1364955.

It is an arithmetic number, because the mean of its divisors is an integer number (95529630).

Almost surely, 2^674165999 is an apocalyptic number.

674165999 is a deficient number, since it is larger than the sum of its proper divisors (90071041).

674165999 is a wasteful number, since it uses less digits than its factorization.

674165999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729449.

The product of its digits is 3674160, while the sum is 56.

The square root of 674165999 is about 25964.7067959567. The cubic root of 674165999 is about 876.8438934987.

The spelling of 674165999 in words is "six hundred seventy-four million, one hundred sixty-five thousand, nine hundred ninety-nine".