742903589 has 2 divisors, whose sum is σ = 742903590. Its totient is φ = 742903588.

The previous prime is 742903531. The next prime is 742903607. The reversal of 742903589 is 985309247.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696432100 + 46471489 = 26390^2 + 6817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742903589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742903789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371451794 + 371451795.

It is an arithmetic number, because the mean of its divisors is an integer number (371451795).

Almost surely, 2^742903589 is an apocalyptic number.

It is an amenable number.

742903589 is a deficient number, since it is larger than the sum of its proper divisors (1).

742903589 is an equidigital number, since it uses as much as digits as its factorization.

742903589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 742903589 is about 27256.2577952293. The cubic root of 742903589 is about 905.6856474964.

The spelling of 742903589 in words is "seven hundred forty-two million, nine hundred three thousand, five hundred eighty-nine".