749299289 has 4 divisors (see below), whose sum is σ = 749360640. Its totient is φ = 749237940.

The previous prime is 749299211. The next prime is 749299363. The reversal of 749299289 is 982992947.

749299289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 749299289 - 2¹² = 749295193 is a prime.

It is a super-2 number, since 2×749299289² = 1122898848991811042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749299189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429 + ... + 39090.

It is an arithmetic number, because the mean of its divisors is an integer number (187340160).

Almost surely, 2^749299289 is an apocalyptic number.

It is an amenable number.

749299289 is a deficient number, since it is larger than the sum of its proper divisors (61351).

749299289 is a wasteful number, since it uses less digits than its factorization.

749299289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61350.

The product of its digits is 5878656, while the sum is 59.

The square root of 749299289 is about 27373.3317117226. The cubic root of 749299289 is about 908.2772579435.

The spelling of 749299289 in words is "seven hundred forty-nine million, two hundred ninety-nine thousand, two hundred eighty-nine".