68357798 has 4 divisors (see below), whose sum is σ = 102536700. Its totient is φ = 34178898.

The previous prime is 68357797. The next prime is 68357819. The reversal of 68357798 is 89775386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89775386 = 2 ⋅44887693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68357791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17089448 + ... + 17089451.

It is an arithmetic number, because the mean of its divisors is an integer number (25634175).

Almost surely, 2^68357798 is an apocalyptic number.

68357798 is a deficient number, since it is larger than the sum of its proper divisors (34178902).

68357798 is a wasteful number, since it uses less digits than its factorization.

68357798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34178901.

The product of its digits is 2540160, while the sum is 53.

The square root of 68357798 is about 8267.8774785310. The cubic root of 68357798 is about 408.8801445382.

The spelling of 68357798 in words is "sixty-eight million, three hundred fifty-seven thousand, seven hundred ninety-eight".