7999472 has 20 divisors (see below), whose sum is σ = 16691640. Its totient is φ = 3691968.

The previous prime is 7999463. The next prime is 7999477. The reversal of 7999472 is 2749997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7999477) by changing a digit.

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, 19022 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (834582).

Almost surely, 2^7999472 is an apocalyptic number.

It is an amenable number.

7999472 is an abundant number, since it is smaller than the sum of its proper divisors (8692168).

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

7999472 is a wasteful number, since it uses less digits than its factorization.

7999472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38480 (or 38474 counting only the distinct ones).

The product of its digits is 285768, while the sum is 47.

The square root of 7999472 is about 2828.3337851109. Note that the first 3 decimals coincide. The cubic root of 7999472 is about 199.9955999032.

The spelling of 7999472 in words is "seven million, nine hundred ninety-nine thousand, four hundred seventy-two".