7266625 has 16 divisors (see below), whose sum is σ = 9227088. Its totient is φ = 5712000.

The previous prime is 7266601. The next prime is 7266653. The reversal of 7266625 is 5266627.

7266625 = 181² + 182² + ... + 302².

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4804864 + 2461761 = 2192^2 + 1569^2 .

It is not a de Polignac number, because 7266625 - 2¹¹ = 7264577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7149 + ... + 8101.

It is an arithmetic number, because the mean of its divisors is an integer number (576693).

Almost surely, 2^7266625 is an apocalyptic number.

It is an amenable number.

7266625 is a deficient number, since it is larger than the sum of its proper divisors (1960463).

7266625 is an equidigital number, since it uses as much as digits as its factorization.

7266625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1019 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 7266625 is about 2695.6678207821. The cubic root of 7266625 is about 193.6916577719.

The spelling of 7266625 in words is "seven million, two hundred sixty-six thousand, six hundred twenty-five".