67400117 has 2 divisors, whose sum is σ = 67400118. Its totient is φ = 67400116.

The previous prime is 67400111. The next prime is 67400149. The reversal of 67400117 is 71100476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 22791076 = 6679^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 67400117 - 2⁴ = 67400101 is a prime.

It is a super-2 number, since 2×67400117² = 9085551543227378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67400111) 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, 33700058 + 33700059.

It is an arithmetic number, because the mean of its divisors is an integer number (33700059).

Almost surely, 2^67400117 is an apocalyptic number.

It is an amenable number.

67400117 is a deficient number, since it is larger than the sum of its proper divisors (1).

67400117 is an equidigital number, since it uses as much as digits as its factorization.

67400117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 67400117 is about 8209.7574263799. The cubic root of 67400117 is about 406.9617106250.

The spelling of 67400117 in words is "sixty-seven million, four hundred thousand, one hundred seventeen".