47497660 has 72 divisors (see below), whose sum is σ = 122898384. Its totient is φ = 15321600.

The previous prime is 47497633. The next prime is 47497661. The reversal of 47497660 is 6679474.

47497660 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 not an unprimeable number, because it can be changed into a prime (47497661) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15235 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (1706922).

Almost surely, 2^47497660 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 47497660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61449192).

47497660 is an abundant number, since it is smaller than the sum of its proper divisors (75400724).

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

47497660 is a wasteful number, since it uses less digits than its factorization.

47497660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 47497660 is about 6891.8546125118. The cubic root of 47497660 is about 362.1518750618.

The spelling of 47497660 in words is "forty-seven million, four hundred ninety-seven thousand, six hundred sixty".