744717047 has 4 divisors (see below), whose sum is σ = 747348840. Its totient is φ = 742085256.

The previous prime is 744717041. The next prime is 744717059. The reversal of 744717047 is 740717447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740717447 = 59 ⋅12554533.

It is a cyclic number.

It is not a de Polignac number, because 744717047 - 2⁶ = 744716983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 744716995 and 744717013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744717041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315472 + ... + 1316037.

It is an arithmetic number, because the mean of its divisors is an integer number (186837210).

Almost surely, 2^744717047 is an apocalyptic number.

744717047 is a deficient number, since it is larger than the sum of its proper divisors (2631793).

744717047 is a wasteful number, since it uses less digits than its factorization.

744717047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631792.

The product of its (nonzero) digits is 153664, while the sum is 41.

The square root of 744717047 is about 27289.5043377486. The cubic root of 744717047 is about 906.4219872268.

It can be divided in two parts, 74471 and 7047, that added together give a palindrome (81518).

The spelling of 744717047 in words is "seven hundred forty-four million, seven hundred seventeen thousand, forty-seven".