4445712 has 80 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 1440000.

The previous prime is 4445711. The next prime is 4445719. The reversal of 4445712 is 2175444.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4445711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17587 + ... + 17837.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

Almost surely, 2^4445712 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 4445712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6562080).

4445712 is an abundant number, since it is smaller than the sum of its proper divisors (8678448).

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

4445712 is a wasteful number, since it uses less digits than its factorization.

4445712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 297 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4445712 is about 2108.4857125435. The cubic root of 4445712 is about 164.4297671071.

The spelling of 4445712 in words is "four million, four hundred forty-five thousand, seven hundred twelve".