7987472 has 20 divisors (see below), whose sum is σ = 15708816. Its totient is φ = 3933600.

The previous prime is 7987459. The next prime is 7987477. The reversal of 7987472 is 2747897.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7987477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654 + ... + 4797.

Almost surely, 2^7987472 is an apocalyptic number.

It is an amenable number.

7987472 is a deficient number, since it is larger than the sum of its proper divisors (7721344).

7987472 is a wasteful number, since it uses less digits than its factorization.

7987472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526 (or 7520 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 7987472 is about 2826.2115985892. The cubic root of 7987472 is about 199.8955454557.

The spelling of 7987472 in words is "seven million, nine hundred eighty-seven thousand, four hundred seventy-two".