747759349 has 2 divisors, whose sum is σ = 747759350. Its totient is φ = 747759348.

The previous prime is 747759347. The next prime is 747759377. The reversal of 747759349 is 943957747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745563025 + 2196324 = 27305^2 + 1482^2 .

It is an emirp because it is prime and its reverse (943957747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747759349 - 2¹ = 747759347 is a prime.

Together with 747759347, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 747759349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747759347) 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, 373879674 + 373879675.

It is an arithmetic number, because the mean of its divisors is an integer number (373879675).

Almost surely, 2^747759349 is an apocalyptic number.

It is an amenable number.

747759349 is a deficient number, since it is larger than the sum of its proper divisors (1).

747759349 is an equidigital number, since it uses as much as digits as its factorization.

747759349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 55.

The square root of 747759349 is about 27345.1887724331. The cubic root of 747759349 is about 907.6546087645.

The spelling of 747759349 in words is "seven hundred forty-seven million, seven hundred fifty-nine thousand, three hundred forty-nine".