68050081 has 4 divisors (see below), whose sum is σ = 74236464. Its totient is φ = 61863700.

The previous prime is 68050057. The next prime is 68050111. The reversal of 68050081 is 18005086.

It is a happy number.

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 68050081 - 2¹⁷ = 67919009 is a prime.

It is a super-2 number, since 2×68050081² = 9261627048213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68050481) 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, 3093175 + ... + 3093196.

It is an arithmetic number, because the mean of its divisors is an integer number (18559116).

Almost surely, 2^68050081 is an apocalyptic number.

It is an amenable number.

68050081 is a deficient number, since it is larger than the sum of its proper divisors (6186383).

68050081 is a wasteful number, since it uses less digits than its factorization.

68050081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186382.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 68050081 is about 8249.2472989964. The cubic root of 68050081 is about 408.2656882345.

The spelling of 68050081 in words is "sixty-eight million, fifty thousand, eighty-one".