68774873 has 2 divisors, whose sum is σ = 68774874. Its totient is φ = 68774872.

The previous prime is 68774821. The next prime is 68774929. The reversal of 68774873 is 37847786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 1024 = 8293^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 68774873 - 2⁸ = 68774617 is a prime.

It is a super-2 number, since 2×68774873² = 9459966312332258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68774273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34387436 + 34387437.

It is an arithmetic number, because the mean of its divisors is an integer number (34387437).

Almost surely, 2^68774873 is an apocalyptic number.

It is an amenable number.

68774873 is a deficient number, since it is larger than the sum of its proper divisors (1).

68774873 is an equidigital number, since it uses as much as digits as its factorization.

68774873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 50.

The square root of 68774873 is about 8293.0617385861. The cubic root of 68774873 is about 409.7100329266.

The spelling of 68774873 in words is "sixty-eight million, seven hundred seventy-four thousand, eight hundred seventy-three".