68073099 has 4 divisors (see below), whose sum is σ = 90764136. Its totient is φ = 45382064.

The previous prime is 68073053. The next prime is 68073107. The reversal of 68073099 is 99037086.

It is a happy number.

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 68073099 - 2¹¹ = 68071051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68073099.

It is not an unprimeable number, because it can be changed into a prime (68073199) 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 3 ways as a sum of consecutive naturals, for example, 11345514 + ... + 11345519.

It is an arithmetic number, because the mean of its divisors is an integer number (22691034).

Almost surely, 2^68073099 is an apocalyptic number.

68073099 is a deficient number, since it is larger than the sum of its proper divisors (22691037).

68073099 is a wasteful number, since it uses less digits than its factorization.

68073099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22691036.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 68073099 is about 8250.6423386304. The cubic root of 68073099 is about 408.3117151219.

The spelling of 68073099 in words is "sixty-eight million, seventy-three thousand, ninety-nine".