7128620 has 24 divisors (see below), whose sum is σ = 15621984. Its totient is φ = 2727296.

The previous prime is 7128619. The next prime is 7128647. The reversal of 7128620 is 268217.

It is a self number, because there is not a number n which added to its sum of digits gives 7128620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7289 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (650916).

Almost surely, 2^7128620 is an apocalyptic number.

It is an amenable number.

7128620 is an abundant number, since it is smaller than the sum of its proper divisors (8493364).

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

7128620 is a wasteful number, since it uses less digits than its factorization.

7128620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15529 (or 15527 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 7128620 is about 2669.9475650282. The cubic root of 7128620 is about 192.4576395237.

The spelling of 7128620 in words is "seven million, one hundred twenty-eight thousand, six hundred twenty".