671874927 has 8 divisors (see below), whose sum is σ = 904703280. Its totient is φ = 443481600.

The previous prime is 671874911. The next prime is 671874961. The reversal of 671874927 is 729478176.

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

It is not a de Polignac number, because 671874927 - 2⁴ = 671874911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 671874927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671873927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108402 + ... + 1109007.

It is an arithmetic number, because the mean of its divisors is an integer number (113087910).

Almost surely, 2^671874927 is an apocalyptic number.

671874927 is a deficient number, since it is larger than the sum of its proper divisors (232828353).

671874927 is a wasteful number, since it uses less digits than its factorization.

671874927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217513.

The product of its digits is 1185408, while the sum is 51.

The square root of 671874927 is about 25920.5502835106. The cubic root of 671874927 is about 875.8494833760.

The spelling of 671874927 in words is "six hundred seventy-one million, eight hundred seventy-four thousand, nine hundred twenty-seven".