67661114 has 8 divisors (see below), whose sum is σ = 101812788. Its totient is φ = 33723520.

The previous prime is 67661057. The next prime is 67661117. The reversal of 67661114 is 41116676.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65205625 + 2455489 = 8075^2 + 1567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (67661117) 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 in 3 ways as a sum of consecutive naturals, for example, 52727 + ... + 53994.

Almost surely, 2^67661114 is an apocalyptic number.

67661114 is a deficient number, since it is larger than the sum of its proper divisors (34151674).

67661114 is a wasteful number, since it uses less digits than its factorization.

67661114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107040.

The product of its digits is 6048, while the sum is 32.

The square root of 67661114 is about 8225.6376044657. The cubic root of 67661114 is about 407.4863337407.

The spelling of 67661114 in words is "sixty-seven million, six hundred sixty-one thousand, one hundred fourteen".