7118820 has 48 divisors (see below), whose sum is σ = 22149120. Its totient is φ = 1898208.

The previous prime is 7118807. The next prime is 7118857. The reversal of 7118820 is 288117.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6052 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (461440).

Almost surely, 2^7118820 is an apocalyptic number.

It is an amenable number.

7118820 is an abundant number, since it is smaller than the sum of its proper divisors (15030300).

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

7118820 is a wasteful number, since it uses less digits than its factorization.

7118820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201 (or 13193 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 7118820 is about 2668.1116918150. Note that the first 3 decimals coincide. The cubic root of 7118820 is about 192.3694059984.

The spelling of 7118820 in words is "seven million, one hundred eighteen thousand, eight hundred twenty".