67271461 has 2 divisors, whose sum is σ = 67271462. Its totient is φ = 67271460.

The previous prime is 67271453. The next prime is 67271483. The reversal of 67271461 is 16417276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44289025 + 22982436 = 6655^2 + 4794^2 .

It is a cyclic number.

It is not a de Polignac number, because 67271461 - 2³ = 67271453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67271401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33635730 + 33635731.

It is an arithmetic number, because the mean of its divisors is an integer number (33635731).

Almost surely, 2^67271461 is an apocalyptic number.

It is an amenable number.

67271461 is a deficient number, since it is larger than the sum of its proper divisors (1).

67271461 is an equidigital number, since it uses as much as digits as its factorization.

67271461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 67271461 is about 8201.9181293158. The cubic root of 67271461 is about 406.7026041728.

The spelling of 67271461 in words is "sixty-seven million, two hundred seventy-one thousand, four hundred sixty-one".