4071738 has 64 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 1094400.

The previous prime is 4071733. The next prime is 4071761. The reversal of 4071738 is 8371704.

It is a happy number.

4071738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4071733) 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, 21223 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

Almost surely, 2^4071738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4071738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976640).

4071738 is an abundant number, since it is smaller than the sum of its proper divisors (5881542).

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

4071738 is a wasteful number, since it uses less digits than its factorization.

4071738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 4071738 is about 2017.8548015157. The cubic root of 4071738 is about 159.6834627306.

It can be divided in two parts, 40717 and 38, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 4071738 in words is "four million, seventy-one thousand, seven hundred thirty-eight".