7381028 has 12 divisors (see below), whose sum is σ = 12959772. Its totient is φ = 3678240.

The previous prime is 7380983. The next prime is 7381067. The reversal of 7381028 is 8201837.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 4169764 = 1792^2 + 2042^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (1079981).

Almost surely, 2^7381028 is an apocalyptic number.

It is an amenable number.

7381028 is a deficient number, since it is larger than the sum of its proper divisors (5578744).

7381028 is a wasteful number, since it uses less digits than its factorization.

7381028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142 (or 6140 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7381028 is about 2716.8047408675. The cubic root of 7381028 is about 194.7028390799.

The spelling of 7381028 in words is "seven million, three hundred eighty-one thousand, twenty-eight".