7538930 has 16 divisors (see below), whose sum is σ = 15508800. Its totient is φ = 2584752.

The previous prime is 7538903. The next prime is 7538933. The reversal of 7538930 is 398357.

7538930 = 447² + 448² + ... + 481².

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (7538933) by changing a digit.

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, 53780 + ... + 53919.

It is an arithmetic number, because the mean of its divisors is an integer number (969300).

Almost surely, 2^7538930 is an apocalyptic number.

7538930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7538930 is an abundant number, since it is smaller than the sum of its proper divisors (7969870).

7538930 is a wasteful number, since it uses less digits than its factorization.

7538930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107713.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 7538930 is about 2745.7112011280. The cubic root of 7538930 is about 196.0814773010.

The spelling of 7538930 in words is "seven million, five hundred thirty-eight thousand, nine hundred thirty".