47472449 has 8 divisors (see below), whose sum is σ = 51998760. Its totient is φ = 43138816.

The previous prime is 47472433. The next prime is 47472461. The reversal of 47472449 is 94427474.

47472449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13191424 + 34281025 = 3632^2 + 5855^2 .

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 47472449 - 2⁴ = 47472433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47472409) 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 7 ways as a sum of consecutive naturals, for example, 47654 + ... + 48639.

It is an arithmetic number, because the mean of its divisors is an integer number (6499845).

Almost surely, 2^47472449 is an apocalyptic number.

It is an amenable number.

47472449 is a deficient number, since it is larger than the sum of its proper divisors (4526311).

47472449 is a wasteful number, since it uses less digits than its factorization.

47472449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96339.

The product of its digits is 225792, while the sum is 41.

The square root of 47472449 is about 6890.0253265137. The cubic root of 47472449 is about 362.0877889097.

The spelling of 47472449 in words is "forty-seven million, four hundred seventy-two thousand, four hundred forty-nine".