7872472 has 8 divisors (see below), whose sum is σ = 14760900. Its totient is φ = 3936232.

The previous prime is 7872443. The next prime is 7872521. The reversal of 7872472 is 2742787.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 492022 + ... + 492037.

Almost surely, 2^7872472 is an apocalyptic number.

It is an amenable number.

7872472 is a deficient number, since it is larger than the sum of its proper divisors (6888428).

7872472 is a wasteful number, since it uses less digits than its factorization.

7872472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984065 (or 984061 counting only the distinct ones).

The product of its digits is 43904, while the sum is 37.

The square root of 7872472 is about 2805.7925796466. The cubic root of 7872472 is about 198.9315691077.

The spelling of 7872472 in words is "seven million, eight hundred seventy-two thousand, four hundred seventy-two".