7538028 has 24 divisors (see below), whose sum is σ = 18196080. Its totient is φ = 2425920.

The previous prime is 7538009. The next prime is 7538039. The reversal of 7538028 is 8208357.

7538028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7538028² = 113643732257568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7538028.

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, 10483 + ... + 11178.

It is an arithmetic number, because the mean of its divisors is an integer number (758170).

Almost surely, 2^7538028 is an apocalyptic number.

It is an amenable number.

7538028 is an abundant number, since it is smaller than the sum of its proper divisors (10658052).

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

7538028 is a wasteful number, since it uses less digits than its factorization.

7538028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21697 (or 21695 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 7538028 is about 2745.5469400467. The cubic root of 7538028 is about 196.0736568921.

The spelling of 7538028 in words is "seven million, five hundred thirty-eight thousand, twenty-eight".