1074729447 has 12 divisors (see below), whose sum is σ = 1693513224. Its totient is φ = 651351120.

The previous prime is 1074729431. The next prime is 1074729449. The reversal of 1074729447 is 7449274701.

It is not a de Polignac number, because 1074729447 - 2⁴ = 1074729431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074729449) 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, 5427828 + ... + 5428025.

It is an arithmetic number, because the mean of its divisors is an integer number (141126102).

Almost surely, 2^1074729447 is an apocalyptic number.

1074729447 is a deficient number, since it is larger than the sum of its proper divisors (618783777).

1074729447 is a wasteful number, since it uses less digits than its factorization.

1074729447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10855870 (or 10855867 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 1074729447 is about 32783.0664673090. The cubic root of 1074729447 is about 1024.3138606869.

The spelling of 1074729447 in words is "one billion, seventy-four million, seven hundred twenty-nine thousand, four hundred forty-seven".