4527138 has 64 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 1142400.

The previous prime is 4527137. The next prime is 4527139. The reversal of 4527138 is 8317254.

It is an interprime number because it is at equal distance from previous prime (4527137) and next prime (4527139).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4527137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18823 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^4527138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4527138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806080).

4527138 is an abundant number, since it is smaller than the sum of its proper divisors (7085022).

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

4527138 is a wasteful number, since it uses less digits than its factorization.

4527138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its digits is 6720, while the sum is 30.

The square root of 4527138 is about 2127.7072167006. The cubic root of 4527138 is about 165.4275778943.

The spelling of 4527138 in words is "four million, five hundred twenty-seven thousand, one hundred thirty-eight".