41721107 has 2 divisors, whose sum is σ = 41721108. Its totient is φ = 41721106.

The previous prime is 41721073. The next prime is 41721157. The reversal of 41721107 is 70112714.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41721107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41721157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20860553 + 20860554.

It is an arithmetic number, because the mean of its divisors is an integer number (20860554).

Almost surely, 2^41721107 is an apocalyptic number.

41721107 is a deficient number, since it is larger than the sum of its proper divisors (1).

41721107 is an equidigital number, since it uses as much as digits as its factorization.

41721107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 41721107 is about 6459.1877972389. The cubic root of 41721107 is about 346.8315587402.

The spelling of 41721107 in words is "forty-one million, seven hundred twenty-one thousand, one hundred seven".