744726753 has 12 divisors (see below), whose sum is σ = 1076372388. Its totient is φ = 496181760.

The previous prime is 744726737. The next prime is 744726779. The reversal of 744726753 is 357627447.

744726753 is a `hidden beast` number, since 74 + 472 + 67 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 719956224 + 24770529 = 26832^2 + 4977^2 .

It is not a de Polignac number, because 744726753 - 2⁴ = 744726737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744726699 and 744726708.

It is not an unprimeable number, because it can be changed into a prime (744726053) 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 in 11 ways as a sum of consecutive naturals, for example, 9108 + ... + 39653.

It is an arithmetic number, because the mean of its divisors is an integer number (89697699).

Almost surely, 2^744726753 is an apocalyptic number.

It is an amenable number.

744726753 is a deficient number, since it is larger than the sum of its proper divisors (331645635).

744726753 is a wasteful number, since it uses less digits than its factorization.

744726753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50464 (or 50461 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 744726753 is about 27289.6821711064. The cubic root of 744726753 is about 906.4259250506.

It can be divided in two parts, 74472 and 6753, that added together give a square (81225 = 285²).

The spelling of 744726753 in words is "seven hundred forty-four million, seven hundred twenty-six thousand, seven hundred fifty-three".