47085090 has 96 divisors (see below), whose sum is σ = 126173376. Its totient is φ = 11232000.

The previous prime is 47085079. The next prime is 47085109. The reversal of 47085090 is 9058074.

47085090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187465 + ... + 187715.

It is an arithmetic number, because the mean of its divisors is an integer number (1314306).

Almost surely, 2^47085090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47085090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63086688).

47085090 is an abundant number, since it is smaller than the sum of its proper divisors (79088286).

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

47085090 is a wasteful number, since it uses less digits than its factorization.

47085090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 47085090 is about 6861.8576202075. The cubic root of 47085090 is about 361.1002604147.

The spelling of 47085090 in words is "forty-seven million, eighty-five thousand, ninety".