41991679 has 4 divisors (see below), whose sum is σ = 42046776. Its totient is φ = 41936584.

The previous prime is 41991671. The next prime is 41991731. The reversal of 41991679 is 97619914.

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

It is a cyclic number.

It is not a de Polignac number, because 41991679 - 2³ = 41991671 is a prime.

It is a super-2 number, since 2×41991679² = 3526602210478082, 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 (41991671) 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, 26389 + ... + 27934.

It is an arithmetic number, because the mean of its divisors is an integer number (10511694).

Almost surely, 2^41991679 is an apocalyptic number.

41991679 is a deficient number, since it is larger than the sum of its proper divisors (55097).

41991679 is an equidigital number, since it uses as much as digits as its factorization.

41991679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55096.

The product of its digits is 122472, while the sum is 46.

The square root of 41991679 is about 6480.0986875201. The cubic root of 41991679 is about 347.5797074029.

The spelling of 41991679 in words is "forty-one million, nine hundred ninety-one thousand, six hundred seventy-nine".