747484289 has 2 divisors, whose sum is σ = 747484290. Its totient is φ = 747484288.

The previous prime is 747484267. The next prime is 747484327. The reversal of 747484289 is 982484747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660901264 + 86583025 = 25708^2 + 9305^2 .

It is a cyclic number.

It is not a de Polignac number, because 747484289 - 2²⁰ = 746435713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 747484289.

It is not a weakly prime, because it can be changed into another prime (747487289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373742144 + 373742145.

It is an arithmetic number, because the mean of its divisors is an integer number (373742145).

Almost surely, 2^747484289 is an apocalyptic number.

It is an amenable number.

747484289 is a deficient number, since it is larger than the sum of its proper divisors (1).

747484289 is an equidigital number, since it uses as much as digits as its factorization.

747484289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 53.

The square root of 747484289 is about 27340.1589059025. The cubic root of 747484289 is about 907.5433028587.

The spelling of 747484289 in words is "seven hundred forty-seven million, four hundred eighty-four thousand, two hundred eighty-nine".