67297966 has 8 divisors (see below), whose sum is σ = 101304504. Its totient is φ = 33529800.

The previous prime is 67297963. The next prime is 67297991. The reversal of 67297966 is 66979276.

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 (67297961) 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, 58885 + ... + 60016.

It is an arithmetic number, because the mean of its divisors is an integer number (12663063).

Almost surely, 2^67297966 is an apocalyptic number.

67297966 is a deficient number, since it is larger than the sum of its proper divisors (34006538).

67297966 is a wasteful number, since it uses less digits than its factorization.

67297966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119186.

The product of its digits is 1714608, while the sum is 52.

The square root of 67297966 is about 8203.5337507686. The cubic root of 67297966 is about 406.7560108574.

The spelling of 67297966 in words is "sixty-seven million, two hundred ninety-seven thousand, nine hundred sixty-six".