67961366 has 32 divisors (see below), whose sum is σ = 122169600. Its totient is φ = 27989280.

The previous prime is 67961363. The next prime is 67961407. The reversal of 67961366 is 66316976.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67961363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6080 + ... + 13148.

It is an arithmetic number, because the mean of its divisors is an integer number (3817800).

Almost surely, 2^67961366 is an apocalyptic number.

67961366 is a deficient number, since it is larger than the sum of its proper divisors (54208234).

67961366 is a wasteful number, since it uses less digits than its factorization.

67961366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124.

The product of its digits is 244944, while the sum is 44.

The square root of 67961366 is about 8243.8683880809. The cubic root of 67961366 is about 408.0881962033.

The spelling of 67961366 in words is "sixty-seven million, nine hundred sixty-one thousand, three hundred sixty-six".