47471915 has 8 divisors (see below), whose sum is σ = 57053808. Its totient is φ = 37919200.

The previous prime is 47471909. The next prime is 47471923. The reversal of 47471915 is 51917474.

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

It is a de Polignac number, because none of the positive numbers 2^k-47471915 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (7131726).

Almost surely, 2^47471915 is an apocalyptic number.

47471915 is a deficient number, since it is larger than the sum of its proper divisors (9581893).

47471915 is a wasteful number, since it uses less digits than its factorization.

47471915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14589.

The product of its digits is 35280, while the sum is 38.

The square root of 47471915 is about 6889.9865747329. The cubic root of 47471915 is about 362.0864312408.

The spelling of 47471915 in words is "forty-seven million, four hundred seventy-one thousand, nine hundred fifteen".