67966966 has 8 divisors (see below), whose sum is σ = 101997720. Its totient is φ = 33967728.

The previous prime is 67966931. The next prime is 67966967. The reversal of 67966966 is 66966976.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67966967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (12749715).

Almost surely, 2^67966966 is an apocalyptic number.

67966966 is a deficient number, since it is larger than the sum of its proper divisors (34030754).

67966966 is a wasteful number, since it uses less digits than its factorization.

67966966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15758.

The product of its digits is 4408992, while the sum is 55.

The square root of 67966966 is about 8244.2080274578. The cubic root of 67966966 is about 408.0994046847.

The spelling of 67966966 in words is "sixty-seven million, nine hundred sixty-six thousand, nine hundred sixty-six".