73994593 has 2 divisors, whose sum is σ = 73994594. Its totient is φ = 73994592.

The previous prime is 73994537. The next prime is 73994597. The reversal of 73994593 is 39549937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66961489 + 7033104 = 8183^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 73994593 - 2¹³ = 73986401 is a prime.

It is not a weakly prime, because it can be changed into another prime (73994597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36997296 + 36997297.

It is an arithmetic number, because the mean of its divisors is an integer number (36997297).

Almost surely, 2^73994593 is an apocalyptic number.

It is an amenable number.

73994593 is a deficient number, since it is larger than the sum of its proper divisors (1).

73994593 is an equidigital number, since it uses as much as digits as its factorization.

73994593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 49.

The square root of 73994593 is about 8602.0109858102. The cubic root of 73994593 is about 419.8234197240.

The spelling of 73994593 in words is "seventy-three million, nine hundred ninety-four thousand, five hundred ninety-three".