744132789 has 24 divisors (see below), whose sum is σ = 1168853400. Its totient is φ = 454284288.

The previous prime is 744132749. The next prime is 744132791. The reversal of 744132789 is 987231447.

It can be written as a sum of positive squares in 4 ways, for example, as 554602500 + 189530289 = 23550^2 + 13767^2 .

It is not a de Polignac number, because 744132789 - 2⁷ = 744132661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744132709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60064 + ... + 71385.

It is an arithmetic number, because the mean of its divisors is an integer number (48702225).

Almost surely, 2^744132789 is an apocalyptic number.

It is an amenable number.

744132789 is a deficient number, since it is larger than the sum of its proper divisors (424720611).

744132789 is a wasteful number, since it uses less digits than its factorization.

744132789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131509 (or 131506 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 744132789 is about 27278.7974258397. The cubic root of 744132789 is about 906.1848847135.

The spelling of 744132789 in words is "seven hundred forty-four million, one hundred thirty-two thousand, seven hundred eighty-nine".