674839971 has 16 divisors (see below), whose sum is σ = 1076668320. Its totient is φ = 415285920.

The previous prime is 674839933. The next prime is 674839993. The reversal of 674839971 is 179938476.

It is a happy number.

674839971 is a `hidden beast` number, since 6 + 7 + 483 + 99 + 71 = 666.

674839971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674839971 - 2¹⁴ = 674823587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674839171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960960 + ... + 961661.

It is an arithmetic number, because the mean of its divisors is an integer number (67291770).

Almost surely, 2^674839971 is an apocalyptic number.

674839971 is a deficient number, since it is larger than the sum of its proper divisors (401828349).

674839971 is a wasteful number, since it uses less digits than its factorization.

674839971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922643 (or 1922637 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 674839971 is about 25977.6821714332. The cubic root of 674839971 is about 877.1359933723.

The spelling of 674839971 in words is "six hundred seventy-four million, eight hundred thirty-nine thousand, nine hundred seventy-one".