47909476 has 6 divisors (see below), whose sum is σ = 83841590. Its totient is φ = 23954736.

The previous prime is 47909473. The next prime is 47909503. The reversal of 47909476 is 67490974.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 10086976 = 6150^2 + 3176^2 .

It is not an unprimeable number, because it can be changed into a prime (47909473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988681 + ... + 5988688.

Almost surely, 2^47909476 is an apocalyptic number.

It is an amenable number.

47909476 is a deficient number, since it is larger than the sum of its proper divisors (35932114).

47909476 is a wasteful number, since it uses less digits than its factorization.

47909476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11977373 (or 11977371 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 47909476 is about 6921.6671402199. The cubic root of 47909476 is about 363.1955122612.

The spelling of 47909476 in words is "forty-seven million, nine hundred nine thousand, four hundred seventy-six".