93744991 has 2 divisors, whose sum is σ = 93744992. Its totient is φ = 93744990.

The previous prime is 93744977. The next prime is 93745007. The reversal of 93744991 is 19944739.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93744991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93745991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46872495 + 46872496.

It is an arithmetic number, because the mean of its divisors is an integer number (46872496).

Almost surely, 2^93744991 is an apocalyptic number.

93744991 is a deficient number, since it is larger than the sum of its proper divisors (1).

93744991 is an equidigital number, since it uses as much as digits as its factorization.

93744991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 93744991 is about 9682.1996984156. The cubic root of 93744991 is about 454.2720574354.

It can be divided in two parts, 9374 and 4991, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 93744991 in words is "ninety-three million, seven hundred forty-four thousand, nine hundred ninety-one".