47439215 has 16 divisors (see below), whose sum is σ = 60151680. Its totient is φ = 35857920.

The previous prime is 47439193. The next prime is 47439229. The reversal of 47439215 is 51293474.

It is not a de Polignac number, because 47439215 - 2²² = 43244911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3335 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (3759480).

Almost surely, 2^47439215 is an apocalyptic number.

47439215 is a deficient number, since it is larger than the sum of its proper divisors (12712465).

47439215 is a wasteful number, since it uses less digits than its factorization.

47439215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042.

The product of its digits is 30240, while the sum is 35.

The square root of 47439215 is about 6887.6131569652. The cubic root of 47439215 is about 362.0032736800.

The spelling of 47439215 in words is "forty-seven million, four hundred thirty-nine thousand, two hundred fifteen".