674021925 has 24 divisors (see below), whose sum is σ = 1238204480. Its totient is φ = 359478000.

The previous prime is 674021897. The next prime is 674021927. The reversal of 674021925 is 529120476.

674021925 is a `hidden beast` number, since 67 + 402 + 192 + 5 = 666.

It is not a de Polignac number, because 674021925 - 2¹⁰ = 674020901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674021925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674021927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498601 + ... + 499950.

Almost surely, 2^674021925 is an apocalyptic number.

It is an amenable number.

674021925 is a deficient number, since it is larger than the sum of its proper divisors (564182555).

674021925 is a wasteful number, since it uses less digits than its factorization.

674021925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998570 (or 998559 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 674021925 is about 25961.9322277830. The cubic root of 674021925 is about 876.7814264863.

The spelling of 674021925 in words is "six hundred seventy-four million, twenty-one thousand, nine hundred twenty-five".