7200722800 has 60 divisors (see below), whose sum is σ = 17316697216. Its totient is φ = 2877465600.

The previous prime is 7200722797. The next prime is 7200722821. The reversal of 7200722800 is 82270027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426520 + ... + 443080.

Almost surely, 2^7200722800 is an apocalyptic number.

It is an amenable number.

7200722800 is an abundant number, since it is smaller than the sum of its proper divisors (10115974416).

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

7200722800 is a wasteful number, since it uses less digits than its factorization.

7200722800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666 (or 17655 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7200722800 is about 84857.0727753438. The cubic root of 7200722800 is about 1931.0433833202.

Adding to 7200722800 its reverse (82270027), we get a palindrome (7282992827).

The spelling of 7200722800 in words is "seven billion, two hundred million, seven hundred twenty-two thousand, eight hundred".