67730263 has 2 divisors, whose sum is σ = 67730264. Its totient is φ = 67730262.

The previous prime is 67730219. The next prime is 67730287. The reversal of 67730263 is 36203776.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67730263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67730063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33865131 + 33865132.

It is an arithmetic number, because the mean of its divisors is an integer number (33865132).

Almost surely, 2^67730263 is an apocalyptic number.

67730263 is a deficient number, since it is larger than the sum of its proper divisors (1).

67730263 is an equidigital number, since it uses as much as digits as its factorization.

67730263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 67730263 is about 8229.8397918793. The cubic root of 67730263 is about 407.6251021672.

The spelling of 67730263 in words is "sixty-seven million, seven hundred thirty thousand, two hundred sixty-three".