7963728 has 40 divisors (see below), whose sum is σ = 20686176. Its totient is φ = 2640000.

The previous prime is 7963723. The next prime is 7963757. The reversal of 7963728 is 8273697.

It is a self number, because there is not a number n which added to its sum of digits gives 7963728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7963723) 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, 11718 + ... + 12378.

Almost surely, 2^7963728 is an apocalyptic number.

It is an amenable number.

7963728 is an abundant number, since it is smaller than the sum of its proper divisors (12722448).

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

7963728 is a wasteful number, since it uses less digits than its factorization.

7963728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 917 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 7963728 is about 2822.0077958787. The cubic root of 7963728 is about 199.6972753535.

The spelling of 7963728 in words is "seven million, nine hundred sixty-three thousand, seven hundred twenty-eight".