745488743 has 4 divisors (see below), whose sum is σ = 789341040. Its totient is φ = 701636448.

The previous prime is 745488727. The next prime is 745488749. The reversal of 745488743 is 347884547.

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

It is a cyclic number.

It is not a de Polignac number, because 745488743 - 2⁴ = 745488727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745488691 and 745488700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745488749) 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, 21926123 + ... + 21926156.

It is an arithmetic number, because the mean of its divisors is an integer number (197335260).

Almost surely, 2^745488743 is an apocalyptic number.

745488743 is a deficient number, since it is larger than the sum of its proper divisors (43852297).

745488743 is a wasteful number, since it uses less digits than its factorization.

745488743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43852296.

The product of its digits is 3010560, while the sum is 50.

The square root of 745488743 is about 27303.6397390531. The cubic root of 745488743 is about 906.7349654942.

The spelling of 745488743 in words is "seven hundred forty-five million, four hundred eighty-eight thousand, seven hundred forty-three".