7440912 has 30 divisors (see below), whose sum is σ = 20824622. Its totient is φ = 2480256.

The previous prime is 7440893. The next prime is 7440943. The reversal of 7440912 is 2190447.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7420176 + 20736 = 2724^2 + 144^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25693 + ... + 25980.

Almost surely, 2^7440912 is an apocalyptic number.

7440912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7440912 is an abundant number, since it is smaller than the sum of its proper divisors (13383710).

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

7440912 is a wasteful number, since it uses less digits than its factorization.

7440912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51687 (or 51678 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7440912 is about 2727.8035119854. The cubic root of 7440912 is about 195.2279779390.

The spelling of 7440912 in words is "seven million, four hundred forty thousand, nine hundred twelve".