7275637 has 2 divisors, whose sum is σ = 7275638. Its totient is φ = 7275636.

The previous prime is 7275629. The next prime is 7275673. The reversal of 7275637 is 7365727.

7275637 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (7275673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 98596 = 2679^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 7275637 - 2³ = 7275629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7275596 and 7275605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7275937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637818 + 3637819.

It is an arithmetic number, because the mean of its divisors is an integer number (3637819).

Almost surely, 2^7275637 is an apocalyptic number.

It is an amenable number.

7275637 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275637 is an equidigital number, since it uses as much as digits as its factorization.

7275637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 37.

The square root of 7275637 is about 2697.3388737791. The cubic root of 7275637 is about 193.7716962176.

The spelling of 7275637 in words is "seven million, two hundred seventy-five thousand, six hundred thirty-seven".