47804631 has 8 divisors (see below), whose sum is σ = 72845184. Its totient is φ = 27316920.

The previous prime is 47804623. The next prime is 47804633. The reversal of 47804631 is 13640874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47804631 - 2³ = 47804623 is a prime.

It is a super-2 number, since 2×47804631² = 4570565490092322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47804592 and 47804601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47804633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138185 + ... + 1138226.

It is an arithmetic number, because the mean of its divisors is an integer number (9105648).

Almost surely, 2^47804631 is an apocalyptic number.

47804631 is a deficient number, since it is larger than the sum of its proper divisors (25040553).

47804631 is a wasteful number, since it uses less digits than its factorization.

47804631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276421.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 47804631 is about 6914.0893109650. The cubic root of 47804631 is about 362.9303799882.

The spelling of 47804631 in words is "forty-seven million, eight hundred four thousand, six hundred thirty-one".