7042200 has 144 divisors (see below), whose sum is σ = 24243240. Its totient is φ = 1689600.

The previous prime is 7042193. The next prime is 7042207. The reversal of 7042200 is 22407.

It is an interprime number because it is at equal distance from previous prime (7042193) and next prime (7042207).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 7042200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72552 + ... + 72648.

Almost surely, 2^7042200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7042200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12121620).

7042200 is an abundant number, since it is smaller than the sum of its proper divisors (17201040).

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

7042200 is a wasteful number, since it uses less digits than its factorization.

7042200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 7042200 is about 2653.7143779993. The cubic root of 7042200 is about 191.6767564527.

Adding to 7042200 its reverse (22407), we get a palindrome (7064607).

The spelling of 7042200 in words is "seven million, forty-two thousand, two hundred".