41720387 has 2 divisors, whose sum is σ = 41720388. Its totient is φ = 41720386.

The previous prime is 41720383. The next prime is 41720429. The reversal of 41720387 is 78302714.

It is a happy number.

41720387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41720387 - 2² = 41720383 is a prime.

It is not a weakly prime, because it can be changed into another prime (41720383) by changing a digit.

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 as a sum of consecutive naturals, namely, 20860193 + 20860194.

It is an arithmetic number, because the mean of its divisors is an integer number (20860194).

Almost surely, 2^41720387 is an apocalyptic number.

41720387 is a deficient number, since it is larger than the sum of its proper divisors (1).

41720387 is an equidigital number, since it uses as much as digits as its factorization.

41720387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 41720387 is about 6459.1320624369. The cubic root of 41720387 is about 346.8295635857.

The spelling of 41720387 in words is "forty-one million, seven hundred twenty thousand, three hundred eighty-seven".