41742187 has 2 divisors, whose sum is σ = 41742188. Its totient is φ = 41742186.

The previous prime is 41742163. The next prime is 41742193. The reversal of 41742187 is 78124714.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41742187 is a prime.

It is not a weakly prime, because it can be changed into another prime (41742587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20871093 + 20871094.

It is an arithmetic number, because the mean of its divisors is an integer number (20871094).

Almost surely, 2^41742187 is an apocalyptic number.

41742187 is a deficient number, since it is larger than the sum of its proper divisors (1).

41742187 is an equidigital number, since it uses as much as digits as its factorization.

41742187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 41742187 is about 6460.8193752805. The cubic root of 41742187 is about 346.8899622580.

The spelling of 41742187 in words is "forty-one million, seven hundred forty-two thousand, one hundred eighty-seven".