4072134 has 48 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 1201200.

The previous prime is 4072097. The next prime is 4072139. The reversal of 4072134 is 4312704.

4072134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4072134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072139) 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 23 ways as a sum of consecutive naturals, for example, 51507 + ... + 51585.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 2^4072134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4072134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596480).

4072134 is an abundant number, since it is smaller than the sum of its proper divisors (5120826).

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

4072134 is a wasteful number, since it uses less digits than its factorization.

4072134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4072134 is about 2017.9529231377. The cubic root of 4072134 is about 159.6886392753.

Adding to 4072134 its reverse (4312704), we get a palindrome (8384838).

It can be divided in two parts, 40721 and 34, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 4072134 in words is "four million, seventy-two thousand, one hundred thirty-four".