111475072 has 64 divisors (see below), whose sum is σ = 234090000. Its totient is φ = 52799488.

The previous prime is 111475051. The next prime is 111475079. The reversal of 111475072 is 270574111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 111475072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111475079) 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, 218754 + ... + 219262.

Almost surely, 2^111475072 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 111475072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117045000).

111475072 is an abundant number, since it is smaller than the sum of its proper divisors (122614928).

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

111475072 is an equidigital number, since it uses as much as digits as its factorization.

111475072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 111475072 is about 10558.1755999794. The cubic root of 111475072 is about 481.2742070918.

The spelling of 111475072 in words is "one hundred eleven million, four hundred seventy-five thousand, seventy-two".