67975801 has 2 divisors, whose sum is σ = 67975802. Its totient is φ = 67975800.

The previous prime is 67975799. The next prime is 67975807. The reversal of 67975801 is 10857976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34798201 + 33177600 = 5899^2 + 5760^2 .

It is a cyclic number.

It is not a de Polignac number, because 67975801 - 2¹ = 67975799 is a prime.

Together with 67975799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (67975807) 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 as a sum of consecutive naturals, namely, 33987900 + 33987901.

It is an arithmetic number, because the mean of its divisors is an integer number (33987901).

Almost surely, 2^67975801 is an apocalyptic number.

It is an amenable number.

67975801 is a deficient number, since it is larger than the sum of its proper divisors (1).

67975801 is an equidigital number, since it uses as much as digits as its factorization.

67975801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 67975801 is about 8244.7438407752. The cubic root of 67975801 is about 408.1170868139.

The spelling of 67975801 in words is "sixty-seven million, nine hundred seventy-five thousand, eight hundred one".