93749473 has 2 divisors, whose sum is σ = 93749474. Its totient is φ = 93749472.

The previous prime is 93749471. The next prime is 93749479. The reversal of 93749473 is 37494739.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 15904144 = 8823^2 + 3988^2 .

It is an emirp because it is prime and its reverse (37494739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93749473 - 2¹ = 93749471 is a prime.

Together with 93749471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (93749471) 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 as a sum of consecutive naturals, namely, 46874736 + 46874737.

It is an arithmetic number, because the mean of its divisors is an integer number (46874737).

Almost surely, 2^93749473 is an apocalyptic number.

It is an amenable number.

93749473 is a deficient number, since it is larger than the sum of its proper divisors (1).

93749473 is an equidigital number, since it uses as much as digits as its factorization.

93749473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 93749473 is about 9682.4311513173. The cubic root of 93749473 is about 454.2792969864.

The spelling of 93749473 in words is "ninety-three million, seven hundred forty-nine thousand, four hundred seventy-three".