748536433 has 4 divisors (see below), whose sum is σ = 748622500. Its totient is φ = 748450368.

The previous prime is 748536419. The next prime is 748536443. The reversal of 748536433 is 334635847.

748536433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 643535424 + 105001009 = 25368^2 + 10247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748536433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748536433.

It is not an unprimeable number, because it can be changed into a prime (748536443) 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, 28308 + ... + 47941.

It is an arithmetic number, because the mean of its divisors is an integer number (187155625).

Almost surely, 2^748536433 is an apocalyptic number.

It is an amenable number.

748536433 is a deficient number, since it is larger than the sum of its proper divisors (86067).

748536433 is an equidigital number, since it uses as much as digits as its factorization.

748536433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86066.

The product of its digits is 725760, while the sum is 43.

The square root of 748536433 is about 27359.3938712099. The cubic root of 748536433 is about 907.9689165196.

The spelling of 748536433 in words is "seven hundred forty-eight million, five hundred thirty-six thousand, four hundred thirty-three".