47385905 has 16 divisors (see below), whose sum is σ = 68407680. Its totient is φ = 30782592.

The previous prime is 47385889. The next prime is 47385931. The reversal of 47385905 is 50958374.

It is a cyclic number.

It is not a de Polignac number, because 47385905 - 2⁴ = 47385889 is a prime.

It is a Curzon 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, 34964 + ... + 36293.

It is an arithmetic number, because the mean of its divisors is an integer number (4275480).

Almost surely, 2^47385905 is an apocalyptic number.

It is an amenable number.

47385905 is a deficient number, since it is larger than the sum of its proper divisors (21021775).

47385905 is a wasteful number, since it uses less digits than its factorization.

47385905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71288.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 47385905 is about 6883.7420782595. The cubic root of 47385905 is about 361.8676219980.

The spelling of 47385905 in words is "forty-seven million, three hundred eighty-five thousand, nine hundred five".