7818072 has 16 divisors (see below), whose sum is σ = 19545240. Its totient is φ = 2606016.

The previous prime is 7818071. The next prime is 7818127. The reversal of 7818072 is 2708187.

It is a super-2 number, since 2×7818072² = 122244499594368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7818071) 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, 162853 + ... + 162900.

Almost surely, 2^7818072 is an apocalyptic number.

It is an amenable number.

7818072 is an abundant number, since it is smaller than the sum of its proper divisors (11727168).

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

7818072 is a wasteful number, since it uses less digits than its factorization.

7818072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325762 (or 325758 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 7818072 is about 2796.0815438753. The cubic root of 7818072 is about 198.4722936117.

The spelling of 7818072 in words is "seven million, eight hundred eighteen thousand, seventy-two".