7488140 has 48 divisors (see below), whose sum is σ = 17375904. Its totient is φ = 2688000.

The previous prime is 7488137. The next prime is 7488163. The reversal of 7488140 is 418847.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 7488097 and 7488106.

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, 22052 + ... + 22388.

It is an arithmetic number, because the mean of its divisors is an integer number (361998).

Almost surely, 2^7488140 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 7488140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8687952).

7488140 is an abundant number, since it is smaller than the sum of its proper divisors (9887764).

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

7488140 is a wasteful number, since it uses less digits than its factorization.

7488140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 7488140 is about 2736.4466009773. The cubic root of 7488140 is about 195.6401491125.

It can be divided in two parts, 748 and 8140, that added together give a palindrome (8888).

The spelling of 7488140 in words is "seven million, four hundred eighty-eight thousand, one hundred forty".