7865472 has 32 divisors (see below), whose sum is σ = 20893680. Its totient is φ = 2621696.

The previous prime is 7865461. The next prime is 7865483. The reversal of 7865472 is 2745687.

It is an interprime number because it is at equal distance from previous prime (7865461) and next prime (7865483).

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 7865472.

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, 9858 + ... + 10625.

Almost surely, 2^7865472 is an apocalyptic number.

It is an amenable number.

7865472 is an abundant number, since it is smaller than the sum of its proper divisors (13028208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7865472 is a wasteful number, since it uses less digits than its factorization.

7865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500 (or 20488 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 7865472 is about 2804.5448828642. The cubic root of 7865472 is about 198.8725900085.

The spelling of 7865472 in words is "seven million, eight hundred sixty-five thousand, four hundred seventy-two".