41383721 has 4 divisors (see below), whose sum is σ = 42085200. Its totient is φ = 40682244.

The previous prime is 41383709. The next prime is 41383751. The reversal of 41383721 is 12738314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41383721 - 2²² = 37189417 is a prime.

It is a super-2 number, since 2×41383721² = 3425224727611682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41383751) 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, 350651 + ... + 350768.

It is an arithmetic number, because the mean of its divisors is an integer number (10521300).

Almost surely, 2^41383721 is an apocalyptic number.

It is an amenable number.

41383721 is a deficient number, since it is larger than the sum of its proper divisors (701479).

41383721 is an equidigital number, since it uses as much as digits as its factorization.

41383721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701478.

The product of its digits is 4032, while the sum is 29.

The square root of 41383721 is about 6433.0180319971. The cubic root of 41383721 is about 345.8941198742.

The spelling of 41383721 in words is "forty-one million, three hundred eighty-three thousand, seven hundred twenty-one".