749697939 has 12 divisors (see below), whose sum is σ = 1083730336. Its totient is φ = 499414032.

The previous prime is 749697929. The next prime is 749697941. The reversal of 749697939 is 939796947.

It is not a de Polignac number, because 749697939 - 2⁹ = 749697427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749697919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19444 + ... + 43329.

Almost surely, 2^749697939 is an apocalyptic number.

749697939 is a deficient number, since it is larger than the sum of its proper divisors (334032397).

749697939 is a wasteful number, since it uses less digits than its factorization.

749697939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64106 (or 64103 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The square root of 749697939 is about 27380.6124657576. The cubic root of 749697939 is about 908.4383064234.

The spelling of 749697939 in words is "seven hundred forty-nine million, six hundred ninety-seven thousand, nine hundred thirty-nine".