744132709 has 2 divisors, whose sum is σ = 744132710. Its totient is φ = 744132708.

The previous prime is 744132691. The next prime is 744132749. The reversal of 744132709 is 907231447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389865025 + 354267684 = 19745^2 + 18822^2 .

It is a cyclic number.

It is not a de Polignac number, because 744132709 - 2¹⁷ = 744001637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744132749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372066354 + 372066355.

It is an arithmetic number, because the mean of its divisors is an integer number (372066355).

Almost surely, 2^744132709 is an apocalyptic number.

It is an amenable number.

744132709 is a deficient number, since it is larger than the sum of its proper divisors (1).

744132709 is an equidigital number, since it uses as much as digits as its factorization.

744132709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 744132709 is about 27278.7959594994. The cubic root of 744132709 is about 906.1848522395.

The spelling of 744132709 in words is "seven hundred forty-four million, one hundred thirty-two thousand, seven hundred nine".