67976773 has 2 divisors, whose sum is σ = 67976774. Its totient is φ = 67976772.

The previous prime is 67976771. The next prime is 67976801. The reversal of 67976773 is 37767976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52751169 + 15225604 = 7263^2 + 3902^2 .

It is a cyclic number.

It is not a de Polignac number, because 67976773 - 2¹ = 67976771 is a prime.

Together with 67976771, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 67976773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67976771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33988386 + 33988387.

It is an arithmetic number, because the mean of its divisors is an integer number (33988387).

Almost surely, 2^67976773 is an apocalyptic number.

It is an amenable number.

67976773 is a deficient number, since it is larger than the sum of its proper divisors (1).

67976773 is an equidigital number, since it uses as much as digits as its factorization.

67976773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2333772, while the sum is 52.

The square root of 67976773 is about 8244.8027872109. The cubic root of 67976773 is about 408.1190320548.

The spelling of 67976773 in words is "sixty-seven million, nine hundred seventy-six thousand, seven hundred seventy-three".