7200072 has 48 divisors (see below), whose sum is σ = 21275280. Its totient is φ = 2181600.

The previous prime is 7200059. The next prime is 7200073. The reversal of 7200072 is 2700027.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7200073) 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 11 ways as a sum of consecutive naturals, for example, 3754 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (443235).

Almost surely, 2^7200072 is an apocalyptic number.

7200072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7200072 is an abundant number, since it is smaller than the sum of its proper divisors (14075208).

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

7200072 is a wasteful number, since it uses less digits than its factorization.

7200072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114 (or 9107 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 7200072 is about 2683.2949893741. The cubic root of 7200072 is about 193.0985205786.

7200072 divided by its sum of digits (18) gives a palindrome (400004).

Adding to 7200072 its reverse (2700027), we get a palindrome (9900099).

The spelling of 7200072 in words is "seven million, two hundred thousand, seventy-two".