744864129 has 48 divisors (see below), whose sum is σ = 1160894592. Its totient is φ = 458571264.

The previous prime is 744864119. The next prime is 744864137. The reversal of 744864129 is 921468447.

It is not a de Polignac number, because 744864129 - 2²¹ = 742766977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (744864119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2832052 + ... + 2832314.

It is an arithmetic number, because the mean of its divisors is an integer number (24185304).

Almost surely, 2^744864129 is an apocalyptic number.

It is an amenable number.

744864129 is a deficient number, since it is larger than the sum of its proper divisors (416030463).

744864129 is a wasteful number, since it uses less digits than its factorization.

744864129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 744864129 is about 27292.1990502781. The cubic root of 744864129 is about 906.4816562350.

The spelling of 744864129 in words is "seven hundred forty-four million, eight hundred sixty-four thousand, one hundred twenty-nine".