47905913 has 8 divisors (see below), whose sum is σ = 53476896. Its totient is φ = 42537600.

The previous prime is 47905909. The next prime is 47905927. The reversal of 47905913 is 31950974.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47905913 - 2² = 47905909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47905903) 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 7 ways as a sum of consecutive naturals, for example, 50168 + ... + 51113.

It is an arithmetic number, because the mean of its divisors is an integer number (6684612).

Almost surely, 2^47905913 is an apocalyptic number.

47905913 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47905913 is a deficient number, since it is larger than the sum of its proper divisors (5570983).

47905913 is a wasteful number, since it uses less digits than its factorization.

47905913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101335.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 47905913 is about 6921.4097552450. The cubic root of 47905913 is about 363.1865084914.

The spelling of 47905913 in words is "forty-seven million, nine hundred five thousand, nine hundred thirteen".