41899721 has 8 divisors (see below), whose sum is σ = 43952640. Its totient is φ = 39866112.

The previous prime is 41899717. The next prime is 41899763. The reversal of 41899721 is 12799814.

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

It is a cyclic number.

It is not a de Polignac number, because 41899721 - 2² = 41899717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41899421) 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, 281 + ... + 9158.

It is an arithmetic number, because the mean of its divisors is an integer number (5494080).

Almost surely, 2^41899721 is an apocalyptic number.

It is an amenable number.

41899721 is a deficient number, since it is larger than the sum of its proper divisors (2052919).

41899721 is a wasteful number, since it uses less digits than its factorization.

41899721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655.

The product of its digits is 36288, while the sum is 41.

The square root of 41899721 is about 6472.9993820485. Note that the first 3 decimals coincide. The cubic root of 41899721 is about 347.3257992020.

The spelling of 41899721 in words is "forty-one million, eight hundred ninety-nine thousand, seven hundred twenty-one".