749899 has 2 divisors, whose sum is σ = 749900. Its totient is φ = 749898.

The previous prime is 749893. The next prime is 749909. The reversal of 749899 is 998947.

It is a weak prime.

It is an emirp because it is prime and its reverse (998947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749899 - 2³ = 749891 is a prime.

It is a Chen prime.

749899 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (749891) 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, 374949 + 374950.

It is an arithmetic number, because the mean of its divisors is an integer number (374950).

2⁷⁴⁹⁸⁹⁹ is an apocalyptic number.

749899 is a deficient number, since it is larger than the sum of its proper divisors (1).

749899 is an equidigital number, since it uses as much as digits as its factorization.

749899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 749899 is about 865.9670894439. The cubic root of 749899 is about 90.8519510323.

The spelling of 749899 in words is "seven hundred forty-nine thousand, eight hundred ninety-nine".