7871368 has 16 divisors (see below), whose sum is σ = 14797980. Its totient is φ = 3925248.

The previous prime is 7871351. The next prime is 7871387. The reversal of 7871368 is 8631787.

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 20164 = 2802^2 + 142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7871368.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580 + ... + 4732.

Almost surely, 2^7871368 is an apocalyptic number.

It is an amenable number.

7871368 is a deficient number, since it is larger than the sum of its proper divisors (6926612).

7871368 is a wasteful number, since it uses less digits than its factorization.

7871368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2612 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 7871368 is about 2805.5958368945. The cubic root of 7871368 is about 198.9222695840.

The spelling of 7871368 in words is "seven million, eight hundred seventy-one thousand, three hundred sixty-eight".