47072137860 has 576 divisors, whose sum is σ = 170951639040. Its totient is φ = 10357632000.

The previous prime is 47072137859. The next prime is 47072137873. The reversal of 47072137860 is 6873127074.

47072137860 is a `hidden beast` number, since 470 + 72 + 1 + 37 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 211085709 + ... + 211085931.

It is an arithmetic number, because the mean of its divisors is an integer number (296791040).

Almost surely, 2^47072137860 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 47072137860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85475819520).

47072137860 is an abundant number, since it is smaller than the sum of its proper divisors (123879501180).

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

47072137860 is a wasteful number, since it uses less digits than its factorization.

47072137860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 47072137860 in words is "forty-seven billion, seventy-two million, one hundred thirty-seven thousand, eight hundred sixty".