744947449 has 8 divisors (see below), whose sum is σ = 747452160. Its totient is φ = 742448256.

The previous prime is 744947419. The next prime is 744947507. The reversal of 744947449 is 944749447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744947449 - 2¹¹ = 744945401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 744947396 and 744947405.

It is not an unprimeable number, because it can be changed into a prime (744947419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674832 + ... + 675934.

It is an arithmetic number, because the mean of its divisors is an integer number (93431520).

Almost surely, 2^744947449 is an apocalyptic number.

It is an amenable number.

744947449 is a deficient number, since it is larger than the sum of its proper divisors (2504711).

744947449 is a wasteful number, since it uses less digits than its factorization.

744947449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its digits is 4064256, while the sum is 52.

The square root of 744947449 is about 27293.7254510996. The cubic root of 744947449 is about 906.5154544508.

The spelling of 744947449 in words is "seven hundred forty-four million, nine hundred forty-seven thousand, four hundred forty-nine".