7470240 has 96 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 1956864.

The previous prime is 7470233. The next prime is 7470247. The reversal of 7470240 is 420747.

It is an interprime number because it is at equal distance from previous prime (7470233) and next prime (7470247).

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 7470240.

It is not an unprimeable number, because it can be changed into a prime (7470247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37822 + ... + 38018.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^7470240 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 7470240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11975040).

7470240 is an abundant number, since it is smaller than the sum of its proper divisors (16479840).

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

7470240 is a wasteful number, since it uses less digits than its factorization.

7470240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7470240 is about 2733.1739790946. The cubic root of 7470240 is about 195.4841356122.

Adding to 7470240 its reverse (420747), we get a palindrome (7890987).

The spelling of 7470240 in words is "seven million, four hundred seventy thousand, two hundred forty".