41721894 has 48 divisors (see below), whose sum is σ = 94180320. Its totient is φ = 13332480.

The previous prime is 41721881. The next prime is 41721907. The reversal of 41721894 is 49812714.

It is an interprime number because it is at equal distance from previous prime (41721881) and next prime (41721907).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 133999 + ... + 134309.

It is an arithmetic number, because the mean of its divisors is an integer number (1962090).

Almost surely, 2^41721894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41721894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47090160).

41721894 is an abundant number, since it is smaller than the sum of its proper divisors (52458426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41721894 is a wasteful number, since it uses less digits than its factorization.

41721894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 602 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 41721894 is about 6459.2487179238. The cubic root of 41721894 is about 346.8337395286.

The spelling of 41721894 in words is "forty-one million, seven hundred twenty-one thousand, eight hundred ninety-four".