41766421 has 2 divisors, whose sum is σ = 41766422. Its totient is φ = 41766420.

The previous prime is 41766401. The next prime is 41766463. The reversal of 41766421 is 12466714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25654225 + 16112196 = 5065^2 + 4014^2 .

It is a cyclic number.

It is not a de Polignac number, because 41766421 - 2¹³ = 41758229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41766401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20883210 + 20883211.

It is an arithmetic number, because the mean of its divisors is an integer number (20883211).

Almost surely, 2^41766421 is an apocalyptic number.

It is an amenable number.

41766421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41766421 is an equidigital number, since it uses as much as digits as its factorization.

41766421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 41766421 is about 6462.6945618681. The cubic root of 41766421 is about 346.9570798484.

The spelling of 41766421 in words is "forty-one million, seven hundred sixty-six thousand, four hundred twenty-one".