67089461 has 2 divisors, whose sum is σ = 67089462. Its totient is φ = 67089460.

The previous prime is 67089377. The next prime is 67089469. The reversal of 67089461 is 16498076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62315236 + 4774225 = 7894^2 + 2185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67089461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67089469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33544730 + 33544731.

It is an arithmetic number, because the mean of its divisors is an integer number (33544731).

Almost surely, 2^67089461 is an apocalyptic number.

It is an amenable number.

67089461 is a deficient number, since it is larger than the sum of its proper divisors (1).

67089461 is an equidigital number, since it uses as much as digits as its factorization.

67089461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 67089461 is about 8190.8156492501. The cubic root of 67089461 is about 406.3355008678.

The spelling of 67089461 in words is "sixty-seven million, eighty-nine thousand, four hundred sixty-one".