68180073 has 32 divisors (see below), whose sum is σ = 105719040. Its totient is φ = 38734080.

The previous prime is 68180059. The next prime is 68180083. The reversal of 68180073 is 37008186.

It is not a de Polignac number, because 68180073 - 2⁶ = 68180009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68180003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24703 + ... + 27323.

It is an arithmetic number, because the mean of its divisors is an integer number (3303720).

Almost surely, 2^68180073 is an apocalyptic number.

It is an amenable number.

68180073 is a deficient number, since it is larger than the sum of its proper divisors (37538967).

68180073 is a wasteful number, since it uses less digits than its factorization.

68180073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 68180073 is about 8257.1225617645. The cubic root of 68180073 is about 408.5254847227.

The spelling of 68180073 in words is "sixty-eight million, one hundred eighty thousand, seventy-three".