7818332 has 12 divisors (see below), whose sum is σ = 13713000. Its totient is φ = 3900336.

The previous prime is 7818323. The next prime is 7818337. The reversal of 7818332 is 2338187.

It is a super-2 number, since 2×7818332² = 122252630524448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7818337) 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, 38 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (1142750).

Almost surely, 2^7818332 is an apocalyptic number.

It is an amenable number.

7818332 is a deficient number, since it is larger than the sum of its proper divisors (5894668).

7818332 is a wasteful number, since it uses less digits than its factorization.

7818332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420 (or 4418 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 7818332 is about 2796.1280371256. The cubic root of 7818332 is about 198.4744937375.

The spelling of 7818332 in words is "seven million, eight hundred eighteen thousand, three hundred thirty-two".