68766469 has 2 divisors, whose sum is σ = 68766470. Its totient is φ = 68766468.

The previous prime is 68766437. The next prime is 68766517. The reversal of 68766469 is 96466786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45360225 + 23406244 = 6735^2 + 4838^2 .

It is a cyclic number.

It is not a de Polignac number, because 68766469 - 2⁵ = 68766437 is a prime.

It is a super-2 number, since 2×68766469² = 9457654517455922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68766769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34383234 + 34383235.

It is an arithmetic number, because the mean of its divisors is an integer number (34383235).

Almost surely, 2^68766469 is an apocalyptic number.

It is an amenable number.

68766469 is a deficient number, since it is larger than the sum of its proper divisors (1).

68766469 is an equidigital number, since it uses as much as digits as its factorization.

68766469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 52.

The square root of 68766469 is about 8292.5550344873. Note that the first 3 decimals coincide. The cubic root of 68766469 is about 409.6933439663.

The spelling of 68766469 in words is "sixty-eight million, seven hundred sixty-six thousand, four hundred sixty-nine".