7480000 has 140 divisors (see below), whose sum is σ = 21424392. Its totient is φ = 2560000.

The previous prime is 7479971. The next prime is 7480013. The reversal of 7480000 is 847.

7480000 = 460² + 461² + ... + 492².

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7480000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 439992 + ... + 440008.

Almost surely, 2^7480000 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 7480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10712196).

7480000 is an abundant number, since it is smaller than the sum of its proper divisors (13944392).

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

7480000 is a wasteful number, since it uses less digits than its factorization.

7480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7480000 is about 2734.9588662355. The cubic root of 7480000 is about 195.5692330501.

Adding to 7480000 its reverse (847), we get a palindrome (7480847).

The spelling of 7480000 in words is "seven million, four hundred eighty thousand".