749493473 has 2 divisors, whose sum is σ = 749493474. Its totient is φ = 749493472.

The previous prime is 749493457. The next prime is 749493523. The reversal of 749493473 is 374394947.

It is a happy number.

749493473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (749493523) can be obtained adding 749493473 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646023889 + 103469584 = 25417^2 + 10172^2 .

It is a cyclic number.

It is not a de Polignac number, because 749493473 - 2⁴ = 749493457 is a prime.

It is a super-3 number, since 3×749493473³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (749493673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374746736 + 374746737.

It is an arithmetic number, because the mean of its divisors is an integer number (374746737).

Almost surely, 2^749493473 is an apocalyptic number.

It is an amenable number.

749493473 is a deficient number, since it is larger than the sum of its proper divisors (1).

749493473 is an equidigital number, since it uses as much as digits as its factorization.

749493473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 50.

The square root of 749493473 is about 27376.8784378351. The cubic root of 749493473 is about 908.3557124320.

The spelling of 749493473 in words is "seven hundred forty-nine million, four hundred ninety-three thousand, four hundred seventy-three".