4642272 has 84 divisors (see below), whose sum is σ = 13771800. Its totient is φ = 1539648.

The previous prime is 4642271. The next prime is 4642361. The reversal of 4642272 is 2722464.

It is a happy number.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642271) 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 13 ways as a sum of consecutive naturals, for example, 23229 + ... + 23427.

It is an arithmetic number, because the mean of its divisors is an integer number (163950).

Almost surely, 2^4642272 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 4642272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6885900).

4642272 is an abundant number, since it is smaller than the sum of its proper divisors (9129528).

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

4642272 is an equidigital number, since it uses as much as digits as its factorization.

4642272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 204 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 4642272 is about 2154.5932330721. The cubic root of 4642272 is about 166.8182372275.

The spelling of 4642272 in words is "four million, six hundred forty-two thousand, two hundred seventy-two".