7440012 has 30 divisors (see below), whose sum is σ = 19450508. Its totient is φ = 2479896.

The previous prime is 7440011. The next prime is 7440047. The reversal of 7440012 is 2100447.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7440011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11158 + ... + 11805.

Almost surely, 2^7440012 is an apocalyptic number.

It is an amenable number.

7440012 is an abundant number, since it is smaller than the sum of its proper divisors (12010496).

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

7440012 is a wasteful number, since it uses less digits than its factorization.

7440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22979 (or 22968 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7440012 is about 2727.6385391030. The cubic root of 7440012 is about 195.2201064906.

Adding to 7440012 its reverse (2100447), we get a palindrome (9540459).

The spelling of 7440012 in words is "seven million, four hundred forty thousand, twelve".