73542193 has 2 divisors, whose sum is σ = 73542194. Its totient is φ = 73542192.

The previous prime is 73542113. The next prime is 73542229. The reversal of 73542193 is 39124537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72726784 + 815409 = 8528^2 + 903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73542193 is a prime.

It is not a weakly prime, because it can be changed into another prime (73542113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36771096 + 36771097.

It is an arithmetic number, because the mean of its divisors is an integer number (36771097).

Almost surely, 2^73542193 is an apocalyptic number.

It is an amenable number.

73542193 is a deficient number, since it is larger than the sum of its proper divisors (1).

73542193 is an equidigital number, since it uses as much as digits as its factorization.

73542193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 73542193 is about 8575.6744924233. The cubic root of 73542193 is about 418.9660755206.

The spelling of 73542193 in words is "seventy-three million, five hundred forty-two thousand, one hundred ninety-three".