744132749 has 2 divisors, whose sum is σ = 744132750. Its totient is φ = 744132748.

The previous prime is 744132709. The next prime is 744132791. The reversal of 744132749 is 947231447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 629257225 + 114875524 = 25085^2 + 10718^2 .

It is a cyclic number.

It is not a de Polignac number, because 744132749 - 2¹⁶ = 744067213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744132709) 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, 372066374 + 372066375.

It is an arithmetic number, because the mean of its divisors is an integer number (372066375).

Almost surely, 2^744132749 is an apocalyptic number.

It is an amenable number.

744132749 is a deficient number, since it is larger than the sum of its proper divisors (1).

744132749 is an equidigital number, since it uses as much as digits as its factorization.

744132749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 744132749 is about 27278.7966926696. The cubic root of 744132749 is about 906.1848684765.

The spelling of 744132749 in words is "seven hundred forty-four million, one hundred thirty-two thousand, seven hundred forty-nine".