742193 has 2 divisors, whose sum is σ = 742194. Its totient is φ = 742192.

The previous prime is 742153. The next prime is 742199. The reversal of 742193 is 391247.

742193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 7744 = 857^2 + 88^2 .

It is an emirp because it is prime and its reverse (391247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742193 - 2¹⁸ = 480049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (742199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371096 + 371097.

It is an arithmetic number, because the mean of its divisors is an integer number (371097).

2⁷⁴²¹⁹³ is an apocalyptic number.

It is an amenable number.

742193 is a deficient number, since it is larger than the sum of its proper divisors (1).

742193 is an equidigital number, since it uses as much as digits as its factorization.

742193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 742193 is about 861.5062390952. The cubic root of 742193 is about 90.5396791908.

The spelling of 742193 in words is "seven hundred forty-two thousand, one hundred ninety-three".