67716963 has 6 divisors (see below), whose sum is σ = 97813404. Its totient is φ = 45144636.

The previous prime is 67716947. The next prime is 67717003. The reversal of 67716963 is 36961776.

It is not a de Polignac number, because 67716963 - 2⁴ = 67716947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67716923) 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 5 ways as a sum of consecutive naturals, for example, 3762045 + ... + 3762062.

It is an arithmetic number, because the mean of its divisors is an integer number (16302234).

Almost surely, 2^67716963 is an apocalyptic number.

67716963 is a deficient number, since it is larger than the sum of its proper divisors (30096441).

67716963 is a wasteful number, since it uses less digits than its factorization.

67716963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524113 (or 7524110 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 67716963 is about 8229.0317170369. The cubic root of 67716963 is about 407.5984190248.

The spelling of 67716963 in words is "sixty-seven million, seven hundred sixteen thousand, nine hundred sixty-three".