904725 has 18 divisors (see below), whose sum is σ = 1620866. Its totient is φ = 482400.

The previous prime is 904721. The next prime is 904727. The reversal of 904725 is 527409.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 904401 = 18^2 + 951^2 .

It is not a de Polignac number, because 904725 - 2² = 904721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904725.

It is not an unprimeable number, because it can be changed into a prime (904721) 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 17 ways as a sum of consecutive naturals, for example, 1786 + ... + 2235.

2⁹⁰⁴⁷²⁵ is an apocalyptic number.

It is an amenable number.

904725 is a deficient number, since it is larger than the sum of its proper divisors (716141).

904725 is a wasteful number, since it uses less digits than its factorization.

904725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 904725 is about 951.1703317493. The cubic root of 904725 is about 96.7176042811.

The spelling of 904725 in words is "nine hundred four thousand, seven hundred twenty-five".