4131072 has 108 divisors (see below), whose sum is σ = 13073424. Its totient is φ = 1244160.

The previous prime is 4131059. The next prime is 4131073. The reversal of 4131072 is 2701314.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4131073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25263 + ... + 25425.

Almost surely, 2^4131072 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 4131072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6536712).

4131072 is an abundant number, since it is smaller than the sum of its proper divisors (8942352).

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

4131072 is a wasteful number, since it uses less digits than its factorization.

4131072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 4131072 is about 2032.5038745351. The cubic root of 4131072 is about 160.4553694289.

Adding to 4131072 its reverse (2701314), we get a palindrome (6832386).

It can be divided in two parts, 413 and 1072, that added together give a triangular number (1485 = T₅₄).

The spelling of 4131072 in words is "four million, one hundred thirty-one thousand, seventy-two".