67967901 has 6 divisors (see below), whose sum is σ = 98175870. Its totient is φ = 45311928.

The previous prime is 67967897. The next prime is 67967917. The reversal of 67967901 is 10976976.

It can be written as a sum of positive squares in only one way, i.e., 42263001 + 25704900 = 6501^2 + 5070^2 .

It is not a de Polignac number, because 67967901 - 2² = 67967897 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67967951) 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 5 ways as a sum of consecutive naturals, for example, 3775986 + ... + 3776003.

It is an arithmetic number, because the mean of its divisors is an integer number (16362645).

Almost surely, 2^67967901 is an apocalyptic number.

It is an amenable number.

67967901 is a deficient number, since it is larger than the sum of its proper divisors (30207969).

67967901 is a wasteful number, since it uses less digits than its factorization.

67967901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551995 (or 7551992 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 67967901 is about 8244.2647337407. The cubic root of 67967901 is about 408.1012760409.

The spelling of 67967901 in words is "sixty-seven million, nine hundred sixty-seven thousand, nine hundred one".