47050905 has 32 divisors (see below), whose sum is σ = 84965760. Its totient is φ = 22023680.

The previous prime is 47050873. The next prime is 47050931. The reversal of 47050905 is 50905074.

It is not a de Polignac number, because 47050905 - 2⁵ = 47050873 is a prime.

It is a super-2 number, since 2×47050905² = 4427575322638050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (2655180).

Almost surely, 2^47050905 is an apocalyptic number.

It is an amenable number.

47050905 is a deficient number, since it is larger than the sum of its proper divisors (37914855).

47050905 is a wasteful number, since it uses less digits than its factorization.

47050905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 47050905 is about 6859.3662243680. The cubic root of 47050905 is about 361.0128498635.

Adding to 47050905 its reverse (50905074), we get a palindrome (97955979).

The spelling of 47050905 in words is "forty-seven million, fifty thousand, nine hundred five".