7822872 has 32 divisors (see below), whose sum is σ = 21730800. Its totient is φ = 2607552.

The previous prime is 7822849. The next prime is 7822879. The reversal of 7822872 is 2782287.

It is a super-2 number, since 2×7822872² = 122394652656768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7822879) 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 7 ways as a sum of consecutive naturals, for example, 17893 + ... + 18324.

Almost surely, 2^7822872 is an apocalyptic number.

7822872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7822872 is an abundant number, since it is smaller than the sum of its proper divisors (13907928).

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

7822872 is a wasteful number, since it uses less digits than its factorization.

7822872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36232 (or 36222 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 7822872 is about 2796.9397562336. The cubic root of 7822872 is about 198.5129034581.

The spelling of 7822872 in words is "seven million, eight hundred twenty-two thousand, eight hundred seventy-two".