7042828 has 48 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 2949120.

The previous prime is 7042823. The next prime is 7042829. The reversal of 7042828 is 8282407.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 7042828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27276 + ... + 27532.

It is an arithmetic number, because the mean of its divisors is an integer number (303408).

Almost surely, 2^7042828 is an apocalyptic number.

It is an amenable number.

7042828 is an abundant number, since it is smaller than the sum of its proper divisors (7520756).

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

7042828 is a wasteful number, since it uses less digits than its factorization.

7042828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 7042828 is about 2653.8327000774. The cubic root of 7042828 is about 191.6824539821.

The spelling of 7042828 in words is "seven million, forty-two thousand, eight hundred twenty-eight".