304725 has 24 divisors (see below), whose sum is σ = 535680. Its totient is φ = 152320.

The previous prime is 304723. The next prime is 304729. The reversal of 304725 is 527403.

It is a happy number.

It is not a de Polignac number, because 304725 - 2¹ = 304723 is a prime.

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 304725.

It is not an unprimeable number, because it can be changed into a prime (304723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1156 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2³⁰⁴⁷²⁵ is an apocalyptic number.

It is an amenable number.

304725 is a deficient number, since it is larger than the sum of its proper divisors (230955).

304725 is a wasteful number, since it uses less digits than its factorization.

304725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 304725 is about 552.0190214114. The cubic root of 304725 is about 67.2929181597.

Subtracting from 304725 its sum of digits (21), we obtain a square (304704 = 552²).

The spelling of 304725 in words is "three hundred four thousand, seven hundred twenty-five".