7487812 has 12 divisors (see below), whose sum is σ = 13132476. Its totient is φ = 3735680.

The previous prime is 7487797. The next prime is 7487813. The reversal of 7487812 is 2187847.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 5225796 = 1504^2 + 2286^2 .

It is not an unprimeable number, because it can be changed into a prime (7487813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (1094373).

Almost surely, 2^7487812 is an apocalyptic number.

It is an amenable number.

7487812 is a deficient number, since it is larger than the sum of its proper divisors (5644664).

7487812 is a wasteful number, since it uses less digits than its factorization.

7487812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4116 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 7487812 is about 2736.3866685832. The cubic root of 7487812 is about 195.6372925550.

The spelling of 7487812 in words is "seven million, four hundred eighty-seven thousand, eight hundred twelve".