674095685 has 8 divisors (see below), whose sum is σ = 809623320. Its totient is φ = 538804224.

The previous prime is 674095663. The next prime is 674095693. The reversal of 674095685 is 586590476.

It can be written as a sum of positive squares in 4 ways, for example, as 197852356 + 476243329 = 14066^2 + 21823^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674095685 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52700 + ... + 64229.

It is an arithmetic number, because the mean of its divisors is an integer number (101202915).

Almost surely, 2^674095685 is an apocalyptic number.

It is an amenable number.

674095685 is a deficient number, since it is larger than the sum of its proper divisors (135527635).

674095685 is a wasteful number, since it uses less digits than its factorization.

674095685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118087.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 674095685 is about 25963.3527303390. The cubic root of 674095685 is about 876.8134081557.

The spelling of 674095685 in words is "six hundred seventy-four million, ninety-five thousand, six hundred eighty-five".