7368820 has 24 divisors (see below), whose sum is σ = 16385544. Its totient is φ = 2774016.

The previous prime is 7368817. The next prime is 7368833. The reversal of 7368820 is 288637.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3849444 + 3519376 = 1962^2 + 1876^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10497 + ... + 11176.

It is an arithmetic number, because the mean of its divisors is an integer number (682731).

Almost surely, 2^7368820 is an apocalyptic number.

It is an amenable number.

7368820 is an abundant number, since it is smaller than the sum of its proper divisors (9016724).

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

7368820 is a wasteful number, since it uses less digits than its factorization.

7368820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699 (or 21697 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 7368820 is about 2714.5570541066. The cubic root of 7368820 is about 194.5954356160.

The spelling of 7368820 in words is "seven million, three hundred sixty-eight thousand, eight hundred twenty".