7428980 has 24 divisors (see below), whose sum is σ = 16801512. Its totient is φ = 2742912.

The previous prime is 7428937. The next prime is 7428997. The reversal of 7428980 is 898247.

It can be written as a sum of positive squares in 4 ways, for example, as 438244 + 6990736 = 662^2 + 2644^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14027 + ... + 14546.

It is an arithmetic number, because the mean of its divisors is an integer number (700063).

Almost surely, 2^7428980 is an apocalyptic number.

It is an amenable number.

7428980 is an abundant number, since it is smaller than the sum of its proper divisors (9372532).

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

7428980 is a wasteful number, since it uses less digits than its factorization.

7428980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28595 (or 28593 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 7428980 is about 2725.6155268122. The cubic root of 7428980 is about 195.1235684038.

The spelling of 7428980 in words is "seven million, four hundred twenty-eight thousand, nine hundred eighty".