742192133 has 2 divisors, whose sum is σ = 742192134. Its totient is φ = 742192132.

The previous prime is 742192109. The next prime is 742192151. The reversal of 742192133 is 331291247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712783204 + 29408929 = 26698^2 + 5423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742192133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 742192133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742192153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371096066 + 371096067.

It is an arithmetic number, because the mean of its divisors is an integer number (371096067).

Almost surely, 2^742192133 is an apocalyptic number.

It is an amenable number.

742192133 is a deficient number, since it is larger than the sum of its proper divisors (1).

742192133 is an equidigital number, since it uses as much as digits as its factorization.

742192133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 742192133 is about 27243.2034276441. The cubic root of 742192133 is about 905.3964393586.

The spelling of 742192133 in words is "seven hundred forty-two million, one hundred ninety-two thousand, one hundred thirty-three".