41697681 has 8 divisors (see below), whose sum is σ = 56170464. Its totient is φ = 27511680.

The previous prime is 41697619. The next prime is 41697703. The reversal of 41697681 is 18679614.

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

It is not a de Polignac number, because 41697681 - 2⁷ = 41697553 is a prime.

It is a super-2 number, since 2×41697681² = 3477393201555522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41697281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71355 + ... + 71936.

It is an arithmetic number, because the mean of its divisors is an integer number (7021308).

Almost surely, 2^41697681 is an apocalyptic number.

It is an amenable number.

41697681 is a deficient number, since it is larger than the sum of its proper divisors (14472783).

41697681 is a wasteful number, since it uses less digits than its factorization.

41697681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143391.

The product of its digits is 72576, while the sum is 42.

The square root of 41697681 is about 6457.3741567297. The cubic root of 41697681 is about 346.7666323929.

The spelling of 41697681 in words is "forty-one million, six hundred ninety-seven thousand, six hundred eighty-one".