749899929 has 4 divisors (see below), whose sum is σ = 999866576. Its totient is φ = 499933284.

The previous prime is 749899921. The next prime is 749899939. The reversal of 749899929 is 929998947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 749899929 - 2³ = 749899921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 749899929.

It is not an unprimeable number, because it can be changed into a prime (749899921) 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 in 3 ways as a sum of consecutive naturals, for example, 124983319 + ... + 124983324.

It is an arithmetic number, because the mean of its divisors is an integer number (249966644).

Almost surely, 2^749899929 is an apocalyptic number.

It is an amenable number.

749899929 is a deficient number, since it is larger than the sum of its proper divisors (249966647).

749899929 is a wasteful number, since it uses less digits than its factorization.

749899929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249966646.

The product of its digits is 26453952, while the sum is 66.

The square root of 749899929 is about 27384.3007761747. The cubic root of 749899929 is about 908.5198854910.

The spelling of 749899929 in words is "seven hundred forty-nine million, eight hundred ninety-nine thousand, nine hundred twenty-nine".