742170503 has 2 divisors, whose sum is σ = 742170504. Its totient is φ = 742170502.

The previous prime is 742170491. The next prime is 742170599. The reversal of 742170503 is 305071247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742170503 - 2²⁴ = 725393287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742170203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371085251 + 371085252.

It is an arithmetic number, because the mean of its divisors is an integer number (371085252).

Almost surely, 2^742170503 is an apocalyptic number.

742170503 is a deficient number, since it is larger than the sum of its proper divisors (1).

742170503 is an equidigital number, since it uses as much as digits as its factorization.

742170503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 742170503 is about 27242.8064450049. The cubic root of 742170503 is about 905.3876438305.

The spelling of 742170503 in words is "seven hundred forty-two million, one hundred seventy thousand, five hundred three".