47090660 has 48 divisors (see below), whose sum is σ = 103977216. Its totient is φ = 17880192.

The previous prime is 47090657. The next prime is 47090669. The reversal of 47090660 is 6609074.

It is not an unprimeable number, because it can be changed into a prime (47090669) 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, 76514 + ... + 77126.

It is an arithmetic number, because the mean of its divisors is an integer number (2166192).

Almost surely, 2^47090660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47090660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51988608).

47090660 is an abundant number, since it is smaller than the sum of its proper divisors (56886556).

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

47090660 is a wasteful number, since it uses less digits than its factorization.

47090660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 47090660 is about 6862.2634749768. The cubic root of 47090660 is about 361.1144988155.

The spelling of 47090660 in words is "forty-seven million, ninety thousand, six hundred sixty".