47082138 has 16 divisors (see below), whose sum is σ = 97411680. Its totient is φ = 15152816.

The previous prime is 47082137. The next prime is 47082181. The reversal of 47082138 is 83128074.

It is a junction number, because it is equal to n+sod(n) for n = 47082099 and 47082108.

It is not an unprimeable number, because it can be changed into a prime (47082131) 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, 135120 + ... + 135467.

It is an arithmetic number, because the mean of its divisors is an integer number (6088230).

Almost surely, 2^47082138 is an apocalyptic number.

47082138 is an abundant number, since it is smaller than the sum of its proper divisors (50329542).

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

47082138 is a wasteful number, since it uses less digits than its factorization.

47082138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270621.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 47082138 is about 6861.6425147336. The cubic root of 47082138 is about 361.0927138627.

The spelling of 47082138 in words is "forty-seven million, eighty-two thousand, one hundred thirty-eight".