68348091 has 12 divisors (see below), whose sum is σ = 106009512. Its totient is φ = 39055968.

The previous prime is 68348089. The next prime is 68348101. The reversal of 68348091 is 19084386.

It is not a de Polignac number, because 68348091 - 2¹ = 68348089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68348051) 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 11 ways as a sum of consecutive naturals, for example, 232330 + ... + 232623.

It is an arithmetic number, because the mean of its divisors is an integer number (8834126).

Almost surely, 2^68348091 is an apocalyptic number.

68348091 is a deficient number, since it is larger than the sum of its proper divisors (37661421).

68348091 is a wasteful number, since it uses less digits than its factorization.

68348091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464970 (or 464963 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 68348091 is about 8267.2904267360. The cubic root of 68348091 is about 408.8607895776.

The spelling of 68348091 in words is "sixty-eight million, three hundred forty-eight thousand, ninety-one".