4572018 has 64 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 1345680.

The previous prime is 4572017. The next prime is 4572023. The reversal of 4572018 is 8102754.

4572018 is a `hidden beast` number, since 457 + 201 + 8 = 666.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4571982 and 4572000.

It is not an unprimeable number, because it can be changed into a prime (4572017) 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 31 ways as a sum of consecutive naturals, for example, 25453 + ... + 25631.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

Almost surely, 2^4572018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4572018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702400).

4572018 is an abundant number, since it is smaller than the sum of its proper divisors (6832782).

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

4572018 is a wasteful number, since it uses less digits than its factorization.

4572018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4572018 is about 2138.2277708420. The cubic root of 4572018 is about 165.9724394173.

The spelling of 4572018 in words is "four million, five hundred seventy-two thousand, eighteen".