1004745447 has 6 divisors (see below), whose sum is σ = 1451298992. Its totient is φ = 669830292.

The previous prime is 1004745419. The next prime is 1004745473. The reversal of 1004745447 is 7445474001.

It is a happy number.

1004745447 is a `hidden beast` number, since 100 + 4 + 7 + 4 + 544 + 7 = 666.

It is not a de Polignac number, because 1004745447 - 2⁶ = 1004745383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004745487) 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 5 ways as a sum of consecutive naturals, for example, 55819183 + ... + 55819200.

Almost surely, 2^1004745447 is an apocalyptic number.

1004745447 is a deficient number, since it is larger than the sum of its proper divisors (446553545).

1004745447 is a wasteful number, since it uses less digits than its factorization.

1004745447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111638389 (or 111638386 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 1004745447 is about 31697.7199022264. The cubic root of 1004745447 is about 1001.5793201016.

The spelling of 1004745447 in words is "one billion, four million, seven hundred forty-five thousand, four hundred forty-seven".