47686473 has 6 divisors (see below), whose sum is σ = 68880474. Its totient is φ = 31790976.

The previous prime is 47686433. The next prime is 47686477. The reversal of 47686473 is 37468674.

It can be written as a sum of positive squares in only one way, i.e., 29127609 + 18558864 = 5397^2 + 4308^2 .

It is not a de Polignac number, because 47686473 - 2⁹ = 47685961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47686477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2649240 + ... + 2649257.

It is an arithmetic number, because the mean of its divisors is an integer number (11480079).

Almost surely, 2^47686473 is an apocalyptic number.

It is an amenable number.

47686473 is a deficient number, since it is larger than the sum of its proper divisors (21194001).

47686473 is a wasteful number, since it uses less digits than its factorization.

47686473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298503 (or 5298500 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 47686473 is about 6905.5392982735. The cubic root of 47686473 is about 362.6311167388.

The spelling of 47686473 in words is "forty-seven million, six hundred eighty-six thousand, four hundred seventy-three".