7872663 has 8 divisors (see below), whose sum is σ = 10552048. Its totient is φ = 5220864.

The previous prime is 7872661. The next prime is 7872671. The reversal of 7872663 is 3662787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7872663 - 2¹ = 7872661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6220 + ... + 7377.

It is an arithmetic number, because the mean of its divisors is an integer number (1319006).

Almost surely, 2^7872663 is an apocalyptic number.

7872663 is a deficient number, since it is larger than the sum of its proper divisors (2679385).

7872663 is a wasteful number, since it uses less digits than its factorization.

7872663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793.

The product of its digits is 84672, while the sum is 39.

The square root of 7872663 is about 2805.8266161686. The cubic root of 7872663 is about 198.9331779044.

The spelling of 7872663 in words is "seven million, eight hundred seventy-two thousand, six hundred sixty-three".