41781928 has 16 divisors (see below), whose sum is σ = 78451380. Its totient is φ = 20861568.

The previous prime is 41781913. The next prime is 41781941. The reversal of 41781928 is 82918714.

It is a happy number.

41781928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41447844 + 334084 = 6438^2 + 578^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3100 + ... + 9652.

Almost surely, 2^41781928 is an apocalyptic number.

It is an amenable number.

41781928 is a deficient number, since it is larger than the sum of its proper divisors (36669452).

41781928 is a wasteful number, since it uses less digits than its factorization.

41781928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7352 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 41781928 is about 6463.8941823022. The cubic root of 41781928 is about 347.0000138417. Note that the first 4 decimals are identical.

The spelling of 41781928 in words is "forty-one million, seven hundred eighty-one thousand, nine hundred twenty-eight".