674186725 has 12 divisors (see below), whose sum is σ = 836391780. Its totient is φ = 539091200.

The previous prime is 674186641. The next prime is 674186743. The reversal of 674186725 is 527681476.

It is a happy number.

674186725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 44076321 + 630110404 = 6639^2 + 25102^2 .

It is not a de Polignac number, because 674186725 - 2¹¹ = 674184677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60381 + ... + 70669.

It is an arithmetic number, because the mean of its divisors is an integer number (69699315).

Almost surely, 2^674186725 is an apocalyptic number.

It is an amenable number.

674186725 is a deficient number, since it is larger than the sum of its proper divisors (162205055).

674186725 is a wasteful number, since it uses less digits than its factorization.

674186725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12915 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 674186725 is about 25965.1059115883. The cubic root of 674186725 is about 876.8528790603.

The spelling of 674186725 in words is "six hundred seventy-four million, one hundred eighty-six thousand, seven hundred twenty-five".