7272825 has 36 divisors (see below), whose sum is σ = 13994640. Its totient is φ = 3323040.

The previous prime is 7272809. The next prime is 7272829. The reversal of 7272825 is 5282727.

7272825 = 361² + 362² + ... + 409².

It is not a de Polignac number, because 7272825 - 2⁴ = 7272809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7272829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2686 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (388740).

Almost surely, 2^7272825 is an apocalyptic number.

7272825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7272825 is a deficient number, since it is larger than the sum of its proper divisors (6721815).

7272825 is a wasteful number, since it uses less digits than its factorization.

7272825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1994 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 7272825 is about 2696.8175689134. The cubic root of 7272825 is about 193.7467290464.

The spelling of 7272825 in words is "seven million, two hundred seventy-two thousand, eight hundred twenty-five".