749696427 has 12 divisors (see below), whose sum is σ = 1090068304. Its totient is φ = 496486800.

The previous prime is 749696417. The next prime is 749696459. The reversal of 749696427 is 724696947.

It is a happy number.

It is not a de Polignac number, because 749696427 - 2⁴ = 749696411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749696407) 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, 274468 + ... + 277185.

Almost surely, 2^749696427 is an apocalyptic number.

749696427 is a deficient number, since it is larger than the sum of its proper divisors (340371877).

749696427 is a wasteful number, since it uses less digits than its factorization.

749696427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551810 (or 551807 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 749696427 is about 27380.5848549661. The cubic root of 749696427 is about 908.4376957065.

The spelling of 749696427 in words is "seven hundred forty-nine million, six hundred ninety-six thousand, four hundred twenty-seven".