749656869 has 8 divisors (see below), whose sum is σ = 1076430432. Its totient is φ = 461327280.

The previous prime is 749656867. The next prime is 749656927. The reversal of 749656869 is 968656947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 749656869 - 2¹ = 749656867 is a prime.

It is a super-2 number, since 2×749656869² = 1123970842477766322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749656861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9610947 + ... + 9611024.

It is an arithmetic number, because the mean of its divisors is an integer number (134553804).

Almost surely, 2^749656869 is an apocalyptic number.

It is an amenable number.

749656869 is a deficient number, since it is larger than the sum of its proper divisors (326773563).

749656869 is a wasteful number, since it uses less digits than its factorization.

749656869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221987.

The product of its digits is 19595520, while the sum is 60.

The square root of 749656869 is about 27379.8624722623. The cubic root of 749656869 is about 908.4217174122.

The spelling of 749656869 in words is "seven hundred forty-nine million, six hundred fifty-six thousand, eight hundred sixty-nine".