47791860 has 24 divisors (see below), whose sum is σ = 133817376. Its totient is φ = 12744480.

The previous prime is 47791847. The next prime is 47791867. The reversal of 47791860 is 6819774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47791867) 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, 398206 + ... + 398325.

It is an arithmetic number, because the mean of its divisors is an integer number (5575724).

Almost surely, 2^47791860 is an apocalyptic number.

It is an amenable number.

47791860 is an abundant number, since it is smaller than the sum of its proper divisors (86025516).

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

47791860 is a wasteful number, since it uses less digits than its factorization.

47791860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796543 (or 796541 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 47791860 is about 6913.1657003141. The cubic root of 47791860 is about 362.8980581776.

The spelling of 47791860 in words is "forty-seven million, seven hundred ninety-one thousand, eight hundred sixty".