41661973 has 4 divisors (see below), whose sum is σ = 41675148. Its totient is φ = 41648800.

The previous prime is 41661943. The next prime is 41661979. The reversal of 41661973 is 37916614.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24671089 + 16990884 = 4967^2 + 4122^2 .

It is a cyclic number.

It is not a de Polignac number, because 41661973 - 2⁵ = 41661941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41661979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (10418787).

Almost surely, 2^41661973 is an apocalyptic number.

It is an amenable number.

41661973 is a deficient number, since it is larger than the sum of its proper divisors (13175).

41661973 is an equidigital number, since it uses as much as digits as its factorization.

41661973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174.

The product of its digits is 27216, while the sum is 37.

The square root of 41661973 is about 6454.6086635829. The cubic root of 41661973 is about 346.6676190597.

The spelling of 41661973 in words is "forty-one million, six hundred sixty-one thousand, nine hundred seventy-three".