68674919 has 2 divisors, whose sum is σ = 68674920. Its totient is φ = 68674918.

The previous prime is 68674901. The next prime is 68674927. The reversal of 68674919 is 91947686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68674919 - 2⁸ = 68674663 is a prime.

It is a super-2 number, since 2×68674919² = 9432488999313122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68673919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34337459 + 34337460.

It is an arithmetic number, because the mean of its divisors is an integer number (34337460).

Almost surely, 2^68674919 is an apocalyptic number.

68674919 is a deficient number, since it is larger than the sum of its proper divisors (1).

68674919 is an equidigital number, since it uses as much as digits as its factorization.

68674919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 68674919 is about 8287.0331844394. The cubic root of 68674919 is about 409.5114525916.

The spelling of 68674919 in words is "sixty-eight million, six hundred seventy-four thousand, nine hundred nineteen".