41721793 has 4 divisors (see below), whose sum is σ = 43535808. Its totient is φ = 39907780.

The previous prime is 41721781. The next prime is 41721809. The reversal of 41721793 is 39712714.

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 41721793 - 2¹³ = 41713601 is a prime.

It is a super-2 number, since 2×41721793² = 3481416022269698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41721733) 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, 906973 + ... + 907018.

It is an arithmetic number, because the mean of its divisors is an integer number (10883952).

Almost surely, 2^41721793 is an apocalyptic number.

It is an amenable number.

41721793 is a deficient number, since it is larger than the sum of its proper divisors (1814015).

41721793 is a wasteful number, since it uses less digits than its factorization.

41721793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814014.

The product of its digits is 10584, while the sum is 34.

The square root of 41721793 is about 6459.2408996723. The cubic root of 41721793 is about 346.8334596577.

The spelling of 41721793 in words is "forty-one million, seven hundred twenty-one thousand, seven hundred ninety-three".