7972276 has 12 divisors (see below), whose sum is σ = 15024772. Its totient is φ = 3679488.

The previous prime is 7972271. The next prime is 7972277. The reversal of 7972276 is 6722797.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 7290000 = 826^2 + 2700^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972271) 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, 76605 + ... + 76708.

Almost surely, 2^7972276 is an apocalyptic number.

It is an amenable number.

7972276 is a deficient number, since it is larger than the sum of its proper divisors (7052496).

7972276 is a wasteful number, since it uses less digits than its factorization.

7972276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153330 (or 153328 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 7972276 is about 2823.5219142057. The cubic root of 7972276 is about 199.7686992696.

The spelling of 7972276 in words is "seven million, nine hundred seventy-two thousand, two hundred seventy-six".