41646945 has 16 divisors (see below), whose sum is σ = 66919680. Its totient is φ = 22116864.

The previous prime is 41646937. The next prime is 41646947. The reversal of 41646945 is 54964614.

It is not a de Polignac number, because 41646945 - 2³ = 41646937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41646947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (4182480).

Almost surely, 2^41646945 is an apocalyptic number.

It is an amenable number.

41646945 is a deficient number, since it is larger than the sum of its proper divisors (25272735).

41646945 is a wasteful number, since it uses less digits than its factorization.

41646945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864.

The product of its digits is 103680, while the sum is 39.

The square root of 41646945 is about 6453.4444291401. Note that the first 4 decimals coincide. The cubic root of 41646945 is about 346.6259315836.

The spelling of 41646945 in words is "forty-one million, six hundred forty-six thousand, nine hundred forty-five".