7268820 has 48 divisors (see below), whose sum is σ = 21920640. Its totient is φ = 1789056.

The previous prime is 7268819. The next prime is 7268827. The reversal of 7268820 is 288627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7268827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3880 + ... + 5439.

It is an arithmetic number, because the mean of its divisors is an integer number (456680).

Almost surely, 2^7268820 is an apocalyptic number.

It is an amenable number.

7268820 is an abundant number, since it is smaller than the sum of its proper divisors (14651820).

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

7268820 is a wasteful number, since it uses less digits than its factorization.

7268820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344 (or 9342 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 7268820 is about 2696.0749247749. The cubic root of 7268820 is about 193.7111583602.

The spelling of 7268820 in words is "seven million, two hundred sixty-eight thousand, eight hundred twenty".