7200990 has 96 divisors (see below), whose sum is σ = 20217600. Its totient is φ = 1774080.

The previous prime is 7200983. The next prime is 7201031. The reversal of 7200990 is 990027.

7200990 is a modest number, since divided by 990 gives 720 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80866 + ... + 80954.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

Almost surely, 2^7200990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7200990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10108800).

7200990 is an abundant number, since it is smaller than the sum of its proper divisors (13016610).

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

7200990 is a wasteful number, since it uses less digits than its factorization.

7200990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 7200990 is about 2683.4660422670. The cubic root of 7200990 is about 193.1067268349.

The spelling of 7200990 in words is "seven million, two hundred thousand, nine hundred ninety".