7818364 has 12 divisors (see below), whose sum is σ = 13886824. Its totient is φ = 3850704.

The previous prime is 7818361. The next prime is 7818379. The reversal of 7818364 is 4638187.

It is a happy number.

It is a super-2 number, since 2×7818364² = 122253631272992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7818361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14319 + ... + 14854.

Almost surely, 2^7818364 is an apocalyptic number.

It is an amenable number.

7818364 is a deficient number, since it is larger than the sum of its proper divisors (6068460).

7818364 is a wasteful number, since it uses less digits than its factorization.

7818364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29244 (or 29242 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 7818364 is about 2796.1337593184. The cubic root of 7818364 is about 198.4747645188.

The spelling of 7818364 in words is "seven million, eight hundred eighteen thousand, three hundred sixty-four".