749093823 has 24 divisors (see below), whose sum is σ = 1114973808. Its totient is φ = 484278912.

The previous prime is 749093819. The next prime is 749093857. The reversal of 749093823 is 328390947.

It is a happy number.

It is not a de Polignac number, because 749093823 - 2² = 749093819 is a prime.

It is a super-2 number, since 2×749093823² = 1122283111313510658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749093803) 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 23 ways as a sum of consecutive naturals, for example, 100636 + ... + 107822.

It is an arithmetic number, because the mean of its divisors is an integer number (46457242).

Almost surely, 2^749093823 is an apocalyptic number.

749093823 is a deficient number, since it is larger than the sum of its proper divisors (365879985).

749093823 is a wasteful number, since it uses less digits than its factorization.

749093823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543 (or 7540 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 749093823 is about 27369.5784220364. The cubic root of 749093823 is about 908.1942305257.

The spelling of 749093823 in words is "seven hundred forty-nine million, ninety-three thousand, eight hundred twenty-three".