7449999447 has 8 divisors (see below), whose sum is σ = 10836362880. Its totient is φ = 4515151160.

The previous prime is 7449999409. The next prime is 7449999449.

7449999447 is nontrivially palindromic in base 10.

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 7449999447 - 2¹⁴ = 7449983063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7449999449) 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 7 ways as a sum of consecutive naturals, for example, 112878747 + ... + 112878812.

It is an arithmetic number, because the mean of its divisors is an integer number (1354545360).

Almost surely, 2^7449999447 is an apocalyptic number.

7449999447 is a deficient number, since it is larger than the sum of its proper divisors (3386363433).

7449999447 is a wasteful number, since it uses less digits than its factorization.

7449999447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225757573.

The product of its digits is 82301184, while the sum is 66.

The square root of 7449999447 is about 86313.3793047173. The cubic root of 7449999447 is about 1953.0742170244.

The spelling of 7449999447 in words is "seven billion, four hundred forty-nine million, nine hundred ninety-nine thousand, four hundred forty-seven".