749939385 has 32 divisors (see below), whose sum is σ = 1299997440. Its totient is φ = 366974208.

The previous prime is 749939371. The next prime is 749939387. The reversal of 749939385 is 583939947.

It is not a de Polignac number, because 749939385 - 2⁴ = 749939369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749939387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21051 + ... + 44079.

It is an arithmetic number, because the mean of its divisors is an integer number (40624920).

Almost surely, 2^749939385 is an apocalyptic number.

It is an amenable number.

749939385 is a deficient number, since it is larger than the sum of its proper divisors (550058055).

749939385 is a wasteful number, since it uses less digits than its factorization.

749939385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23217.

The product of its digits is 7348320, while the sum is 57.

The square root of 749939385 is about 27385.0211794696. The cubic root of 749939385 is about 908.5358191423.

The spelling of 749939385 in words is "seven hundred forty-nine million, nine hundred thirty-nine thousand, three hundred eighty-five".