7142200 has 96 divisors (see below), whose sum is σ = 18592560. Its totient is φ = 2534400.

The previous prime is 7142189. The next prime is 7142203. The reversal of 7142200 is 22417.

It is a super-2 number, since 2×7142200² = 102022041680000, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106567 + ... + 106633.

Almost surely, 2^7142200 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 7142200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9296280).

7142200 is an abundant number, since it is smaller than the sum of its proper divisors (11450360).

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

7142200 is a wasteful number, since it uses less digits than its factorization.

7142200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 7142200 is about 2672.4894761252. The cubic root of 7142200 is about 192.5797724135.

Adding to 7142200 its reverse (22417), we get a palindrome (7164617).

The spelling of 7142200 in words is "seven million, one hundred forty-two thousand, two hundred".