47830913 has 8 divisors (see below), whose sum is σ = 52606848. Its totient is φ = 43211664.

The previous prime is 47830903. The next prime is 47830927. The reversal of 47830913 is 31903874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47830913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47830903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38531 + ... + 39752.

It is an arithmetic number, because the mean of its divisors is an integer number (6575856).

Almost surely, 2^47830913 is an apocalyptic number.

It is an amenable number.

47830913 is a deficient number, since it is larger than the sum of its proper divisors (4775935).

47830913 is a wasteful number, since it uses less digits than its factorization.

47830913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78343.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 47830913 is about 6915.9896616464. The cubic root of 47830913 is about 362.9968783487.

The spelling of 47830913 in words is "forty-seven million, eight hundred thirty thousand, nine hundred thirteen".