749309323 has 12 divisors (see below), whose sum is σ = 922919832. Its totient is φ = 604484160.

The previous prime is 749309293. The next prime is 749309333. The reversal of 749309323 is 323903947.

749309323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 749309323 - 2¹³ = 749301131 is a prime.

It is a super-2 number, since 2×749309323² = 1122928923069436658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749309333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448933 + ... + 450598.

It is an arithmetic number, because the mean of its divisors is an integer number (76909986).

Almost surely, 2^749309323 is an apocalyptic number.

749309323 is a deficient number, since it is larger than the sum of its proper divisors (173610509).

749309323 is a wasteful number, since it uses less digits than its factorization.

749309323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899562 (or 899555 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 749309323 is about 27373.5149916849. The cubic root of 749309323 is about 908.2813122262.

The spelling of 749309323 in words is "seven hundred forty-nine million, three hundred nine thousand, three hundred twenty-three".