744714505 has 4 divisors (see below), whose sum is σ = 893657412. Its totient is φ = 595771600.

The previous prime is 744714497. The next prime is 744714559. The reversal of 744714505 is 505417447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505417447 = 37 ⋅13659931.

It can be written as a sum of positive squares in 2 ways, for example, as 426876921 + 317837584 = 20661^2 + 17828^2 .

It is not a de Polignac number, because 744714505 - 2³ = 744714497 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74471446 + ... + 74471455.

It is an arithmetic number, because the mean of its divisors is an integer number (223414353).

Almost surely, 2^744714505 is an apocalyptic number.

It is an amenable number.

744714505 is a deficient number, since it is larger than the sum of its proper divisors (148942907).

744714505 is a wasteful number, since it uses less digits than its factorization.

744714505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148942906.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 744714505 is about 27289.4577630264. The cubic root of 744714505 is about 906.4209559056.

It can be divided in two parts, 7447 and 14505, that added together give a cube (21952 = 28³).

The spelling of 744714505 in words is "seven hundred forty-four million, seven hundred fourteen thousand, five hundred five".