7872704 has 28 divisors (see below), whose sum is σ = 17855184. Its totient is φ = 3373824.

The previous prime is 7872679. The next prime is 7872731. The reversal of 7872704 is 4072787.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×7872704³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8339 + ... + 9234.

Almost surely, 2^7872704 is an apocalyptic number.

It is an amenable number.

7872704 is an abundant number, since it is smaller than the sum of its proper divisors (9982480).

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

7872704 is a wasteful number, since it uses less digits than its factorization.

7872704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17592 (or 17582 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 7872704 is about 2805.8339223839. The cubic root of 7872704 is about 198.9335232448.

The spelling of 7872704 in words is "seven million, eight hundred seventy-two thousand, seven hundred four".