7725365 has 4 divisors (see below), whose sum is σ = 9270444. Its totient is φ = 6180288.

The previous prime is 7725349. The next prime is 7725373. The reversal of 7725365 is 5635277.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 4092529 = 1906^2 + 2023^2 .

It is a cyclic number.

It is not a de Polignac number, because 7725365 - 2⁴ = 7725349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 772532 + ... + 772541.

It is an arithmetic number, because the mean of its divisors is an integer number (2317611).

Almost surely, 2^7725365 is an apocalyptic number.

It is an amenable number.

7725365 is a deficient number, since it is larger than the sum of its proper divisors (1545079).

7725365 is a wasteful number, since it uses less digits than its factorization.

7725365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545078.

The product of its digits is 44100, while the sum is 35.

The square root of 7725365 is about 2779.4540830890. The cubic root of 7725365 is about 197.6846747775.

The spelling of 7725365 in words is "seven million, seven hundred twenty-five thousand, three hundred sixty-five".