41720905 has 8 divisors (see below), whose sum is σ = 50533632. Its totient is φ = 33064368.

The previous prime is 41720893. The next prime is 41720929. The reversal of 41720905 is 50902714.

It is a happy number.

41720905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41720905 - 2¹¹ = 41718857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38457 + ... + 39526.

It is an arithmetic number, because the mean of its divisors is an integer number (6316704).

Almost surely, 2^41720905 is an apocalyptic number.

It is an amenable number.

41720905 is a deficient number, since it is larger than the sum of its proper divisors (8812727).

41720905 is a wasteful number, since it uses less digits than its factorization.

41720905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78095.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 41720905 is about 6459.1721605791. The cubic root of 41720905 is about 346.8309989909.

The spelling of 41720905 in words is "forty-one million, seven hundred twenty thousand, nine hundred five".