68468577 has 4 divisors (see below), whose sum is σ = 91291440. Its totient is φ = 45645716.

The previous prime is 68468567. The next prime is 68468579. The reversal of 68468577 is 77586486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68468577 - 2⁸ = 68468321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68468579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11411427 + ... + 11411432.

It is an arithmetic number, because the mean of its divisors is an integer number (22822860).

Almost surely, 2^68468577 is an apocalyptic number.

It is an amenable number.

68468577 is a deficient number, since it is larger than the sum of its proper divisors (22822863).

68468577 is a wasteful number, since it uses less digits than its factorization.

68468577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22822862.

The product of its digits is 2257920, while the sum is 51.

The square root of 68468577 is about 8274.5741280141. The cubic root of 68468577 is about 409.1008991006.

The spelling of 68468577 in words is "sixty-eight million, four hundred sixty-eight thousand, five hundred seventy-seven".