4455072 has 72 divisors (see below), whose sum is σ = 13104000. Its totient is φ = 1434240.

The previous prime is 4455043. The next prime is 4455079. The reversal of 4455072 is 2705544.

4455072 is a `hidden beast` number, since 44 + 550 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4455079) 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 11 ways as a sum of consecutive naturals, for example, 8679 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (182000).

Almost surely, 2^4455072 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 4455072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552000).

4455072 is an abundant number, since it is smaller than the sum of its proper divisors (8648928).

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

4455072 is a wasteful number, since it uses less digits than its factorization.

4455072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4455072 is about 2110.7041479089. The cubic root of 4455072 is about 164.5450830016.

The spelling of 4455072 in words is "four million, four hundred fifty-five thousand, seventy-two".