7972776 has 64 divisors (see below), whose sum is σ = 25315200. Its totient is φ = 2277504.

The previous prime is 7972771. The next prime is 7972777. The reversal of 7972776 is 6772797.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (7972771) 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 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (395550).

Almost surely, 2^7972776 is an apocalyptic number.

It is an amenable number.

7972776 is an abundant number, since it is smaller than the sum of its proper divisors (17342424).

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

7972776 is a wasteful number, since it uses less digits than its factorization.

7972776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295 (or 5285 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The square root of 7972776 is about 2823.6104547193. The cubic root of 7972776 is about 199.7728755033.

The spelling of 7972776 in words is "seven million, nine hundred seventy-two thousand, seven hundred seventy-six".