734491357 has 2 divisors, whose sum is σ = 734491358. Its totient is φ = 734491356.

The previous prime is 734491327. The next prime is 734491367. The reversal of 734491357 is 753194437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 706549561 + 27941796 = 26581^2 + 5286^2 .

It is an emirp because it is prime and its reverse (753194437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734491357 - 2⁷ = 734491229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734491327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367245678 + 367245679.

It is an arithmetic number, because the mean of its divisors is an integer number (367245679).

Almost surely, 2^734491357 is an apocalyptic number.

It is an amenable number.

734491357 is a deficient number, since it is larger than the sum of its proper divisors (1).

734491357 is an equidigital number, since it uses as much as digits as its factorization.

734491357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 734491357 is about 27101.5010100917. The cubic root of 734491357 is about 902.2541671270.

The spelling of 734491357 in words is "seven hundred thirty-four million, four hundred ninety-one thousand, three hundred fifty-seven".