41665679 has 8 divisors (see below), whose sum is σ = 45625680. Its totient is φ = 37734400.

The previous prime is 41665639. The next prime is 41665709. The reversal of 41665679 is 97656614.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-41665679 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 (41665609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (5703210).

Almost surely, 2^41665679 is an apocalyptic number.

41665679 is a deficient number, since it is larger than the sum of its proper divisors (3960001).

41665679 is a wasteful number, since it uses less digits than its factorization.

41665679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14361.

The product of its digits is 272160, while the sum is 44.

The square root of 41665679 is about 6454.8957388946. The cubic root of 41665679 is about 346.6778979144.

The spelling of 41665679 in words is "forty-one million, six hundred sixty-five thousand, six hundred seventy-nine".