7275897 has 24 divisors (see below), whose sum is σ = 11074440. Its totient is φ = 4596480.

The previous prime is 7275883. The next prime is 7275911. The reversal of 7275897 is 7985727.

It is an interprime number because it is at equal distance from previous prime (7275883) and next prime (7275911).

It can be written as a sum of positive squares in 4 ways, for example, as 665856 + 6610041 = 816^2 + 2571^2 .

It is not a de Polignac number, because 7275897 - 2⁶ = 7275833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15693 + ... + 16149.

It is an arithmetic number, because the mean of its divisors is an integer number (461435).

Almost surely, 2^7275897 is an apocalyptic number.

It is an amenable number.

7275897 is a deficient number, since it is larger than the sum of its proper divisors (3798543).

7275897 is a wasteful number, since it uses less digits than its factorization.

7275897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 550 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 7275897 is about 2697.3870689984. The cubic root of 7275897 is about 193.7740043793.

The spelling of 7275897 in words is "seven million, two hundred seventy-five thousand, eight hundred ninety-seven".