7428135 has 32 divisors (see below), whose sum is σ = 13966848. Its totient is φ = 3323520.

The previous prime is 7428119. The next prime is 7428151. The reversal of 7428135 is 5318247.

It is an interprime number because it is at equal distance from previous prime (7428119) and next prime (7428151).

It is not a de Polignac number, because 7428135 - 2⁴ = 7428119 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 414 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (436464).

Almost surely, 2^7428135 is an apocalyptic number.

7428135 is a deficient number, since it is larger than the sum of its proper divisors (6538713).

7428135 is a wasteful number, since it uses less digits than its factorization.

7428135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its digits is 6720, while the sum is 30.

The square root of 7428135 is about 2725.4605115466. The cubic root of 7428135 is about 195.1161700949.

The spelling of 7428135 in words is "seven million, four hundred twenty-eight thousand, one hundred thirty-five".