749747 has 2 divisors, whose sum is σ = 749748. Its totient is φ = 749746.

The previous prime is 749741. The next prime is 749761. The reversal of 749747 is 747947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749747 - 2¹⁰ = 748723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 749747.

It is not a weakly prime, because it can be changed into another prime (749741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374873 + 374874.

It is an arithmetic number, because the mean of its divisors is an integer number (374874).

2⁷⁴⁹⁷⁴⁷ is an apocalyptic number.

749747 is a deficient number, since it is larger than the sum of its proper divisors (1).

749747 is an equidigital number, since it uses as much as digits as its factorization.

749747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 38.

The square root of 749747 is about 865.8793218457. The cubic root of 749747 is about 90.8458122369.

The spelling of 749747 in words is "seven hundred forty-nine thousand, seven hundred forty-seven".