47647825 has 12 divisors (see below), whose sum is σ = 59198220. Its totient is φ = 38044160.

The previous prime is 47647819. The next prime is 47647829. The reversal of 47647825 is 52874674.

It can be written as a sum of positive squares in 6 ways, for example, as 1896129 + 45751696 = 1377^2 + 6764^2 .

It is not a de Polignac number, because 47647825 - 2²³ = 39259217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47647829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13881 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (4933185).

Almost surely, 2^47647825 is an apocalyptic number.

It is an amenable number.

47647825 is a deficient number, since it is larger than the sum of its proper divisors (11550395).

47647825 is a wasteful number, since it uses less digits than its factorization.

47647825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716 (or 3711 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 47647825 is about 6902.7403978420. The cubic root of 47647825 is about 362.5331242026.

The spelling of 47647825 in words is "forty-seven million, six hundred forty-seven thousand, eight hundred twenty-five".