41673661 has 4 divisors (see below), whose sum is σ = 41953500. Its totient is φ = 41393824.

The previous prime is 41673617. The next prime is 41673673. The reversal of 41673661 is 16637614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 39614436 = 1435^2 + 6294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41673661 is a prime.

It is a super-2 number, since 2×41673661² = 3473388042285842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41673361) 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, 139696 + ... + 139993.

It is an arithmetic number, because the mean of its divisors is an integer number (10488375).

Almost surely, 2^41673661 is an apocalyptic number.

It is an amenable number.

41673661 is a deficient number, since it is larger than the sum of its proper divisors (279839).

41673661 is a wasteful number, since it uses less digits than its factorization.

41673661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279838.

The product of its digits is 18144, while the sum is 34.

The square root of 41673661 is about 6455.5139996750. The cubic root of 41673661 is about 346.7000344895.

The spelling of 41673661 in words is "forty-one million, six hundred seventy-three thousand, six hundred sixty-one".