7487868 has 12 divisors (see below), whose sum is σ = 17471720. Its totient is φ = 2495952.

The previous prime is 7487863. The next prime is 7487911. The reversal of 7487868 is 8687847.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7487863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311983 + ... + 312006.

Almost surely, 2^7487868 is an apocalyptic number.

It is an amenable number.

7487868 is an abundant number, since it is smaller than the sum of its proper divisors (9983852).

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

7487868 is a wasteful number, since it uses less digits than its factorization.

7487868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623996 (or 623994 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 7487868 is about 2736.3969010361. The cubic root of 7487868 is about 195.6377802659.

The spelling of 7487868 in words is "seven million, four hundred eighty-seven thousand, eight hundred sixty-eight".