7478868 has 24 divisors (see below), whose sum is σ = 18053280. Its totient is φ = 2406880.

The previous prime is 7478831. The next prime is 7478869. The reversal of 7478868 is 8688747.

It is a super-2 number, since 2×7478868² = 111866933122848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478869) 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 7 ways as a sum of consecutive naturals, for example, 10398 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (752220).

Almost surely, 2^7478868 is an apocalyptic number.

It is an amenable number.

7478868 is an abundant number, since it is smaller than the sum of its proper divisors (10574412).

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

7478868 is a wasteful number, since it uses less digits than its factorization.

7478868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527 (or 21525 counting only the distinct ones).

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

The square root of 7478868 is about 2734.7519083091. The cubic root of 7478868 is about 195.5593669386.

The spelling of 7478868 in words is "seven million, four hundred seventy-eight thousand, eight hundred sixty-eight".