7716972 has 12 divisors (see below), whose sum is σ = 18006296. Its totient is φ = 2572320.

The previous prime is 7716971. The next prime is 7716991. The reversal of 7716972 is 2796177.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7716972.

It is not an unprimeable number, because it can be changed into a prime (7716971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321529 + ... + 321552.

Almost surely, 2^7716972 is an apocalyptic number.

It is an amenable number.

7716972 is an abundant number, since it is smaller than the sum of its proper divisors (10289324).

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

7716972 is a wasteful number, since it uses less digits than its factorization.

7716972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643088 (or 643086 counting only the distinct ones).

The product of its digits is 37044, while the sum is 39.

The square root of 7716972 is about 2777.9438439249. The cubic root of 7716972 is about 197.6130592319.

The spelling of 7716972 in words is "seven million, seven hundred sixteen thousand, nine hundred seventy-two".