47671615 has 4 divisors (see below), whose sum is σ = 57205944. Its totient is φ = 38137288.

The previous prime is 47671573. The next prime is 47671619. The reversal of 47671615 is 51617674.

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 47671615 - 2²³ = 39283007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767157 + ... + 4767166.

It is an arithmetic number, because the mean of its divisors is an integer number (14301486).

Almost surely, 2^47671615 is an apocalyptic number.

47671615 is a deficient number, since it is larger than the sum of its proper divisors (9534329).

47671615 is an equidigital number, since it uses as much as digits as its factorization.

47671615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534328.

The product of its digits is 35280, while the sum is 37.

The square root of 47671615 is about 6904.4634114463. The cubic root of 47671615 is about 362.5934503422.

The spelling of 47671615 in words is "forty-seven million, six hundred seventy-one thousand, six hundred fifteen".