744473755 has 16 divisors (see below), whose sum is σ = 901632384. Its totient is φ = 590087680.

The previous prime is 744473699. The next prime is 744473771. The reversal of 744473755 is 557374447.

It is not a de Polignac number, because 744473755 - 2⁹ = 744473243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623439 + ... + 624631.

It is an arithmetic number, because the mean of its divisors is an integer number (56352024).

Almost surely, 2^744473755 is an apocalyptic number.

744473755 is a deficient number, since it is larger than the sum of its proper divisors (157158629).

744473755 is a wasteful number, since it uses less digits than its factorization.

744473755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its digits is 1646400, while the sum is 46.

The square root of 744473755 is about 27285.0463624308. The cubic root of 744473755 is about 906.3232699856.

The spelling of 744473755 in words is "seven hundred forty-four million, four hundred seventy-three thousand, seven hundred fifty-five".