47311752072 has 128 divisors (see below), whose sum is σ = 131296556160. Its totient is φ = 14114580480.

The previous prime is 47311752071. The next prime is 47311752079. The reversal of 47311752072 is 27025711374.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 47311752072.

It is not an unprimeable number, because it can be changed into a prime (47311752071) 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, 1825122 + ... + 1850862.

It is an arithmetic number, because the mean of its divisors is an integer number (1025754345).

Almost surely, 2^47311752072 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 47311752072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65648278080).

47311752072 is an abundant number, since it is smaller than the sum of its proper divisors (83984804088).

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

47311752072 is a wasteful number, since it uses less digits than its factorization.

47311752072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25943 (or 25939 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 47311752072 in words is "forty-seven billion, three hundred eleven million, seven hundred fifty-two thousand, seventy-two".