7488720 has 80 divisors (see below), whose sum is σ = 25801920. Its totient is φ = 1996416.

The previous prime is 7488713. The next prime is 7488737. The reversal of 7488720 is 278847.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427 + ... + 3893.

It is an arithmetic number, because the mean of its divisors is an integer number (322524).

Almost surely, 2^7488720 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 7488720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12900960).

7488720 is an abundant number, since it is smaller than the sum of its proper divisors (18313200).

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

7488720 is a wasteful number, since it uses less digits than its factorization.

7488720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 7488720 is about 2736.5525757785. The cubic root of 7488720 is about 195.6452001379.

The spelling of 7488720 in words is "seven million, four hundred eighty-eight thousand, seven hundred twenty".