67865966 has 8 divisors (see below), whose sum is σ = 116341680. Its totient is φ = 29085408.

The previous prime is 67865951. The next prime is 67865969. The reversal of 67865966 is 66956876.

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

It is a super-2 number, since 2×67865966² = 9211578682226312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67865969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423771 + ... + 2423798.

It is an arithmetic number, because the mean of its divisors is an integer number (14542710).

Almost surely, 2^67865966 is an apocalyptic number.

67865966 is a deficient number, since it is larger than the sum of its proper divisors (48475714).

67865966 is a wasteful number, since it uses less digits than its factorization.

67865966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847578.

The product of its digits is 3265920, while the sum is 53.

The square root of 67865966 is about 8238.0802375311. The cubic root of 67865966 is about 407.8971570535.

The spelling of 67865966 in words is "sixty-seven million, eight hundred sixty-five thousand, nine hundred sixty-six".