7648865 has 16 divisors (see below), whose sum is σ = 10620288. Its totient is φ = 5179776.

The previous prime is 7648843. The next prime is 7648871. The reversal of 7648865 is 5688467.

It is not a de Polignac number, because 7648865 - 2⁸ = 7648609 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1589 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (663768).

Almost surely, 2^7648865 is an apocalyptic number.

It is an amenable number.

7648865 is a deficient number, since it is larger than the sum of its proper divisors (2971423).

7648865 is a wasteful number, since it uses less digits than its factorization.

7648865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its digits is 322560, while the sum is 44.

The square root of 7648865 is about 2765.6581495188. The cubic root of 7648865 is about 197.0299884776.

The spelling of 7648865 in words is "seven million, six hundred forty-eight thousand, eight hundred sixty-five".