47616631 has 4 divisors (see below), whose sum is σ = 48515112. Its totient is φ = 46718152.

The previous prime is 47616617. The next prime is 47616671. The reversal of 47616631 is 13661674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47616631 - 2¹¹ = 47614583 is a prime.

It is a super-2 number, since 2×47616631² = 4534687095580322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47616671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449161 + ... + 449266.

It is an arithmetic number, because the mean of its divisors is an integer number (12128778).

Almost surely, 2^47616631 is an apocalyptic number.

47616631 is a deficient number, since it is larger than the sum of its proper divisors (898481).

47616631 is an equidigital number, since it uses as much as digits as its factorization.

47616631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898480.

The product of its digits is 18144, while the sum is 34.

The square root of 47616631 is about 6900.4804905166. The cubic root of 47616631 is about 362.4539927343.

The spelling of 47616631 in words is "forty-seven million, six hundred sixteen thousand, six hundred thirty-one".