47256812730 has 96 divisors (see below), whose sum is σ = 130265553600. Its totient is φ = 11852614656.

The previous prime is 47256812719. The next prime is 47256812741. The reversal of 47256812730 is 3721865274.

47256812730 is a `hidden beast` number, since 4 + 7 + 2 + 568 + 12 + 73 + 0 = 666.

47256812730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47256812719) and next prime (47256812741).

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 47 ways as a sum of consecutive naturals, for example, 138282 + ... + 337098.

It is an arithmetic number, because the mean of its divisors is an integer number (1356932850).

Almost surely, 2^47256812730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47256812730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65132776800).

47256812730 is an abundant number, since it is smaller than the sum of its proper divisors (83008740870).

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

47256812730 is a wasteful number, since it uses less digits than its factorization.

47256812730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198988 (or 198985 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 47256812730 in words is "forty-seven billion, two hundred fifty-six million, eight hundred twelve thousand, seven hundred thirty".