7538628 has 12 divisors (see below), whose sum is σ = 17590160. Its totient is φ = 2512872.

The previous prime is 7538617. The next prime is 7538647. The reversal of 7538628 is 8268357.

7538628 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 314098 + ... + 314121.

Almost surely, 2^7538628 is an apocalyptic number.

It is an amenable number.

7538628 is an abundant number, since it is smaller than the sum of its proper divisors (10051532).

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

7538628 is a wasteful number, since it uses less digits than its factorization.

7538628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628226 (or 628224 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 7538628 is about 2745.6562057184. The cubic root of 7538628 is about 196.0788590074.

The spelling of 7538628 in words is "seven million, five hundred thirty-eight thousand, six hundred twenty-eight".