47316780 has 216 divisors, whose sum is σ = 177454368. Its totient is φ = 9962496.

The previous prime is 47316779. The next prime is 47316811. The reversal of 47316780 is 8761374.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1006717 + ... + 1006763.

It is an arithmetic number, because the mean of its divisors is an integer number (821548).

Almost surely, 2^47316780 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 47316780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88727184).

47316780 is an abundant number, since it is smaller than the sum of its proper divisors (130137588).

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

47316780 is a wasteful number, since it uses less digits than its factorization.

47316780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47316780 is about 6878.7193575549. The cubic root of 47316780 is about 361.6915761711.

It can be divided in two parts, 4731 and 6780, that added together give a palindrome (11511).

The spelling of 47316780 in words is "forty-seven million, three hundred sixteen thousand, seven hundred eighty".