67406117 has 2 divisors, whose sum is σ = 67406118. Its totient is φ = 67406116.

The previous prime is 67406081. The next prime is 67406137. The reversal of 67406117 is 71160476.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 2989441 = 8026^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 67406117 - 2⁸ = 67405861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67406137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33703058 + 33703059.

It is an arithmetic number, because the mean of its divisors is an integer number (33703059).

Almost surely, 2^67406117 is an apocalyptic number.

It is an amenable number.

67406117 is a deficient number, since it is larger than the sum of its proper divisors (1).

67406117 is an equidigital number, since it uses as much as digits as its factorization.

67406117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 67406117 is about 8210.1228370835. The cubic root of 67406117 is about 406.9737862609.

The spelling of 67406117 in words is "sixty-seven million, four hundred six thousand, one hundred seventeen".