93919073 has 2 divisors, whose sum is σ = 93919074. Its totient is φ = 93919072.

The previous prime is 93919037. The next prime is 93919129. The reversal of 93919073 is 37091939.

Together with previous prime (93919037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70425664 + 23493409 = 8392^2 + 4847^2 .

It is a cyclic number.

It is not a de Polignac number, because 93919073 - 2⁸ = 93918817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93919073.

It is not a weakly prime, because it can be changed into another prime (93919003) 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 as a sum of consecutive naturals, namely, 46959536 + 46959537.

It is an arithmetic number, because the mean of its divisors is an integer number (46959537).

Almost surely, 2^93919073 is an apocalyptic number.

It is an amenable number.

93919073 is a deficient number, since it is larger than the sum of its proper divisors (1).

93919073 is an equidigital number, since it uses as much as digits as its factorization.

93919073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 93919073 is about 9691.1853248197. The cubic root of 93919073 is about 454.5530740092.

The spelling of 93919073 in words is "ninety-three million, nine hundred nineteen thousand, seventy-three".