7236720 has 180 divisors, whose sum is σ = 26743080. Its totient is φ = 1748736.

The previous prime is 7236707. The next prime is 7236721. The reversal of 7236720 is 276327.

7236720 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236721) 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, 314629 + ... + 314651.

Almost surely, 2^7236720 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 7236720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13371540).

7236720 is an abundant number, since it is smaller than the sum of its proper divisors (19506360).

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

7236720 is a wasteful number, since it uses less digits than its factorization.

7236720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 7236720 is about 2690.1152391673. The cubic root of 7236720 is about 193.4255868348.

The spelling of 7236720 in words is "seven million, two hundred thirty-six thousand, seven hundred twenty".