7918265 has 4 divisors (see below), whose sum is σ = 9501924. Its totient is φ = 6334608.

The previous prime is 7918223. The next prime is 7918291. The reversal of 7918265 is 5628197.

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 6165289 + 1752976 = 2483^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 7918265 - 2⁶ = 7918201 is a prime.

It is a super-2 number, since 2×7918265² = 125397841220450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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, 791822 + ... + 791831.

It is an arithmetic number, because the mean of its divisors is an integer number (2375481).

Almost surely, 2^7918265 is an apocalyptic number.

It is an amenable number.

7918265 is a deficient number, since it is larger than the sum of its proper divisors (1583659).

7918265 is a wasteful number, since it uses less digits than its factorization.

7918265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583658.

The product of its digits is 30240, while the sum is 38.

The square root of 7918265 is about 2813.9411863079. The cubic root of 7918265 is about 199.3165420868.

The spelling of 7918265 in words is "seven million, nine hundred eighteen thousand, two hundred sixty-five".