7691972 has 12 divisors (see below), whose sum is σ = 13483260. Its totient is φ = 3839616.

The previous prime is 7691951. The next prime is 7691977. The reversal of 7691972 is 2791967.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 2611456 = 2254^2 + 1616^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7691977) by changing a digit.

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, 2048 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (1123605).

Almost surely, 2^7691972 is an apocalyptic number.

It is an amenable number.

7691972 is a deficient number, since it is larger than the sum of its proper divisors (5791288).

7691972 is a wasteful number, since it uses less digits than its factorization.

7691972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its digits is 47628, while the sum is 41.

The square root of 7691972 is about 2773.4404626745. The cubic root of 7691972 is about 197.3994317876.

The spelling of 7691972 in words is "seven million, six hundred ninety-one thousand, nine hundred seventy-two".