68059931 has 4 divisors (see below), whose sum is σ = 68144664. Its totient is φ = 67975200.

The previous prime is 68059913. The next prime is 68059933. The reversal of 68059931 is 13995086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68059931 - 2⁶ = 68059867 is a prime.

It is a super-2 number, since 2×68059931² = 9264308415449522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68059933) 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 in 3 ways as a sum of consecutive naturals, for example, 41150 + ... + 42771.

It is an arithmetic number, because the mean of its divisors is an integer number (17036166).

Almost surely, 2^68059931 is an apocalyptic number.

68059931 is a deficient number, since it is larger than the sum of its proper divisors (84733).

68059931 is an equidigital number, since it uses as much as digits as its factorization.

68059931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84732.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 68059931 is about 8249.8443015611. The cubic root of 68059931 is about 408.2853856052.

The spelling of 68059931 in words is "sixty-eight million, fifty-nine thousand, nine hundred thirty-one".