47718580 has 96 divisors (see below), whose sum is σ = 124862976. Its totient is φ = 14916096.

The previous prime is 47718563. The next prime is 47718581. The reversal of 47718580 is 8581774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47718581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285657 + ... + 285823.

It is an arithmetic number, because the mean of its divisors is an integer number (1300656).

Almost surely, 2^47718580 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 47718580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62431488).

47718580 is an abundant number, since it is smaller than the sum of its proper divisors (77144396).

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

47718580 is a wasteful number, since it uses less digits than its factorization.

47718580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 47718580 is about 6907.8636350177. The cubic root of 47718580 is about 362.7124842242.

The spelling of 47718580 in words is "forty-seven million, seven hundred eighteen thousand, five hundred eighty".