674265979 has 8 divisors (see below), whose sum is σ = 699428160. Its totient is φ = 649231296.

The previous prime is 674265937. The next prime is 674265989. The reversal of 674265979 is 979562476.

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 674265979 - 2²⁷ = 540048251 is a prime.

It is a super-2 number, since 2×674265979² = 909269220873656882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674265989) 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, 21034 + ... + 42319.

It is an arithmetic number, because the mean of its divisors is an integer number (87428520).

Almost surely, 2^674265979 is an apocalyptic number.

674265979 is a deficient number, since it is larger than the sum of its proper divisors (25162181).

674265979 is a wasteful number, since it uses less digits than its factorization.

674265979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63749.

The product of its digits is 5715360, while the sum is 55.

The square root of 674265979 is about 25966.6320303577. The cubic root of 674265979 is about 876.8872371852.

The spelling of 674265979 in words is "six hundred seventy-four million, two hundred sixty-five thousand, nine hundred seventy-nine".