7470720 has 96 divisors (see below), whose sum is σ = 25817220. Its totient is φ = 1990656.

The previous prime is 7470713. The next prime is 7470761. The reversal of 7470720 is 270747.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 627264 = 2616^2 + 792^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5112 + ... + 6408.

Almost surely, 2^7470720 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 7470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12908610).

7470720 is an abundant number, since it is smaller than the sum of its proper divisors (18346500).

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

7470720 is a wasteful number, since it uses less digits than its factorization.

7470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 7470720 is about 2733.2617876815. The cubic root of 7470720 is about 195.4883224645.

Adding to 7470720 its sum of digits (27), we get a palindrome (7470747).

The spelling of 7470720 in words is "seven million, four hundred seventy thousand, seven hundred twenty".