7638716 has 12 divisors (see below), whose sum is σ = 13828920. Its totient is φ = 3687600.

The previous prime is 7638707. The next prime is 7638721. The reversal of 7638716 is 6178367.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7638716.

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 in 3 ways as a sum of consecutive naturals, for example, 32810 + ... + 33041.

It is an arithmetic number, because the mean of its divisors is an integer number (1152410).

Almost surely, 2^7638716 is an apocalyptic number.

It is an amenable number.

7638716 is a deficient number, since it is larger than the sum of its proper divisors (6190204).

7638716 is a wasteful number, since it uses less digits than its factorization.

7638716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65884 (or 65882 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 7638716 is about 2763.8227150091. The cubic root of 7638716 is about 196.9428059379.

The spelling of 7638716 in words is "seven million, six hundred thirty-eight thousand, seven hundred sixteen".