68774941 has 2 divisors, whose sum is σ = 68774942. Its totient is φ = 68774940.

The previous prime is 68774933. The next prime is 68774947. The reversal of 68774941 is 14947786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65367225 + 3407716 = 8085^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 68774941 - 2³ = 68774933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68774891 and 68774900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68774947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34387470 + 34387471.

It is an arithmetic number, because the mean of its divisors is an integer number (34387471).

Almost surely, 2^68774941 is an apocalyptic number.

It is an amenable number.

68774941 is a deficient number, since it is larger than the sum of its proper divisors (1).

68774941 is an equidigital number, since it uses as much as digits as its factorization.

68774941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 68774941 is about 8293.0658383978. The cubic root of 68774941 is about 409.7101679578.

The spelling of 68774941 in words is "sixty-eight million, seven hundred seventy-four thousand, nine hundred forty-one".