7275725 has 12 divisors (see below), whose sum is σ = 9151200. Its totient is φ = 5737200.

The previous prime is 7275721. The next prime is 7275733. The reversal of 7275725 is 5275727.

It is not a de Polignac number, because 7275725 - 2² = 7275721 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (762600).

Almost surely, 2^7275725 is an apocalyptic number.

It is an amenable number.

7275725 is a deficient number, since it is larger than the sum of its proper divisors (1875475).

7275725 is a wasteful number, since it uses less digits than its factorization.

7275725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4175 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 7275725 is about 2697.3551861036. The cubic root of 7275725 is about 193.7724774477.

It can be divided in two parts, 7275 and 725, that added together give a cube (8000 = 20³).

The spelling of 7275725 in words is "seven million, two hundred seventy-five thousand, seven hundred twenty-five".