41781072 has 40 divisors (see below), whose sum is σ = 108903744. Its totient is φ = 13801984.

The previous prime is 41781071. The next prime is 41781097. The reversal of 41781072 is 27018714.

41781072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41781071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 9275.

Almost surely, 2^41781072 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 41781072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54451872).

41781072 is an abundant number, since it is smaller than the sum of its proper divisors (67122672).

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

41781072 is a wasteful number, since it uses less digits than its factorization.

41781072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 41781072 is about 6463.8279680078. The cubic root of 41781072 is about 346.9976441247.

Adding to 41781072 its reverse (27018714), we get a palindrome (68799786).

The spelling of 41781072 in words is "forty-one million, seven hundred eighty-one thousand, seventy-two".