749608543 has 4 divisors (see below), whose sum is σ = 749665048. Its totient is φ = 749552040.

The previous prime is 749608477. The next prime is 749608579. The reversal of 749608543 is 345806947.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 345806947 = 103 ⋅3357349.

It is a cyclic number.

It is not a de Polignac number, because 749608543 - 2⁹ = 749608031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749608493 and 749608502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749618543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673 + ... + 38893.

It is an arithmetic number, because the mean of its divisors is an integer number (187416262).

Almost surely, 2^749608543 is an apocalyptic number.

749608543 is a deficient number, since it is larger than the sum of its proper divisors (56505).

749608543 is a wasteful number, since it uses less digits than its factorization.

749608543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56504.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 749608543 is about 27378.9799481281. The cubic root of 749608543 is about 908.4021967786.

The spelling of 749608543 in words is "seven hundred forty-nine million, six hundred eight thousand, five hundred forty-three".