4181072 has 30 divisors (see below), whose sum is σ = 9425178. Its totient is φ = 1791552.

The previous prime is 4181071. The next prime is 4181077. The reversal of 4181072 is 2701814.

It can be written as a sum of positive squares in only one way, i.e., 4177936 + 3136 = 2044^2 + 56^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1883 + ... + 3450.

Almost surely, 2^4181072 is an apocalyptic number.

It is an amenable number.

4181072 is an abundant number, since it is smaller than the sum of its proper divisors (5244106).

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

4181072 is a wasteful number, since it uses less digits than its factorization.

4181072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355 (or 5342 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 4181072 is about 2044.7669793891. The cubic root of 4181072 is about 161.1001267536.

Adding to 4181072 its reverse (2701814), we get a palindrome (6882886).

The spelling of 4181072 in words is "four million, one hundred eighty-one thousand, seventy-two".