749713423 has 4 divisors (see below), whose sum is σ = 775565640. Its totient is φ = 723861208.

The previous prime is 749713421. The next prime is 749713427. The reversal of 749713423 is 324317947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324317947 = 6997 ⋅46351.

It is a cyclic number.

It is not a de Polignac number, because 749713423 - 2¹ = 749713421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749713421) 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 3 ways as a sum of consecutive naturals, for example, 12926065 + ... + 12926122.

It is an arithmetic number, because the mean of its divisors is an integer number (193891410).

Almost surely, 2^749713423 is an apocalyptic number.

749713423 is a deficient number, since it is larger than the sum of its proper divisors (25852217).

749713423 is a wasteful number, since it uses less digits than its factorization.

749713423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25852216.

The product of its digits is 127008, while the sum is 40.

The square root of 749713423 is about 27380.8952191122. The cubic root of 749713423 is about 908.4445605698. Note that the first 3 decimals are identical.

The spelling of 749713423 in words is "seven hundred forty-nine million, seven hundred thirteen thousand, four hundred twenty-three".