7478472 has 16 divisors (see below), whose sum is σ = 18696240. Its totient is φ = 2492816.

The previous prime is 7478467. The next prime is 7478479. The reversal of 7478472 is 2748747.

It is a self number, because there is not a number n which added to its sum of digits gives 7478472.

It is not an unprimeable number, because it can be changed into a prime (7478479) 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, 155778 + ... + 155825.

It is an arithmetic number, because the mean of its divisors is an integer number (1168515).

Almost surely, 2^7478472 is an apocalyptic number.

It is an amenable number.

7478472 is an abundant number, since it is smaller than the sum of its proper divisors (11217768).

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

7478472 is a wasteful number, since it uses less digits than its factorization.

7478472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311612 (or 311608 counting only the distinct ones).

The product of its digits is 87808, while the sum is 39.

The square root of 7478472 is about 2734.6795059019. The cubic root of 7478472 is about 195.5559153077. Note that the first 3 decimals are identical.

The spelling of 7478472 in words is "seven million, four hundred seventy-eight thousand, four hundred seventy-two".