47135830 has 32 divisors (see below), whose sum is σ = 99035136. Its totient is φ = 15815904.

The previous prime is 47135821. The next prime is 47135831. The reversal of 47135830 is 3853174.

It is a junction number, because it is equal to n+sod(n) for n = 47135792 and 47135801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47135831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3874 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (3094848).

Almost surely, 2^47135830 is an apocalyptic number.

47135830 is an abundant number, since it is smaller than the sum of its proper divisors (51899306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47135830 is a wasteful number, since it uses less digits than its factorization.

47135830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 47135830 is about 6865.5538742333. The cubic root of 47135830 is about 361.2299238932.

The spelling of 47135830 in words is "forty-seven million, one hundred thirty-five thousand, eight hundred thirty".