7478112 has 48 divisors (see below), whose sum is σ = 19967472. Its totient is φ = 2449920.

The previous prime is 7478111. The next prime is 7478117. The reversal of 7478112 is 2118747.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7478112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5218 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (415989).

Almost surely, 2^7478112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7478112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9983736).

7478112 is an abundant number, since it is smaller than the sum of its proper divisors (12489360).

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

7478112 is a wasteful number, since it uses less digits than its factorization.

7478112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1343 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 7478112 is about 2734.6136838683. The cubic root of 7478112 is about 195.5527773557.

The spelling of 7478112 in words is "seven million, four hundred seventy-eight thousand, one hundred twelve".