67798793 has 2 divisors, whose sum is σ = 67798794. Its totient is φ = 67798792.

The previous prime is 67798741. The next prime is 67798807. The reversal of 67798793 is 39789776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 19245769 = 6968^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 67798793 - 2⁸ = 67798537 is a prime.

It is not a weakly prime, because it can be changed into another prime (67798993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33899396 + 33899397.

It is an arithmetic number, because the mean of its divisors is an integer number (33899397).

Almost surely, 2^67798793 is an apocalyptic number.

It is an amenable number.

67798793 is a deficient number, since it is larger than the sum of its proper divisors (1).

67798793 is an equidigital number, since it uses as much as digits as its factorization.

67798793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 56.

The square root of 67798793 is about 8234.0022467813. The cubic root of 67798793 is about 407.7625352281.

The spelling of 67798793 in words is "sixty-seven million, seven hundred ninety-eight thousand, seven hundred ninety-three".