67233779 has 2 divisors, whose sum is σ = 67233780. Its totient is φ = 67233778.

The previous prime is 67233767. The next prime is 67233787. The reversal of 67233779 is 97733276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67233779 - 2¹⁶ = 67168243 is a prime.

It is not a weakly prime, because it can be changed into another prime (67233739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33616889 + 33616890.

It is an arithmetic number, because the mean of its divisors is an integer number (33616890).

Almost surely, 2^67233779 is an apocalyptic number.

67233779 is a deficient number, since it is larger than the sum of its proper divisors (1).

67233779 is an equidigital number, since it uses as much as digits as its factorization.

67233779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 44.

The square root of 67233779 is about 8199.6206619575. The cubic root of 67233779 is about 406.6266520543.

The spelling of 67233779 in words is "sixty-seven million, two hundred thirty-three thousand, seven hundred seventy-nine".