68683355 has 8 divisors (see below), whose sum is σ = 88760112. Its totient is φ = 50719968.

The previous prime is 68683343. The next prime is 68683357. The reversal of 68683355 is 55338686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68683355 - 2⁸ = 68683099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68683357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528269 + ... + 528398.

It is an arithmetic number, because the mean of its divisors is an integer number (11095014).

Almost surely, 2^68683355 is an apocalyptic number.

68683355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68683355 is a deficient number, since it is larger than the sum of its proper divisors (20076757).

68683355 is a wasteful number, since it uses less digits than its factorization.

68683355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056685.

The product of its digits is 518400, while the sum is 44.

The square root of 68683355 is about 8287.5421567555. The cubic root of 68683355 is about 409.5282199803.

The spelling of 68683355 in words is "sixty-eight million, six hundred eighty-three thousand, three hundred fifty-five".