47705772730 has 64 divisors (see below), whose sum is σ = 108163060992. Its totient is φ = 14716016640.

The previous prime is 47705772677. The next prime is 47705772731. The reversal of 47705772730 is 3727750774.

It is not an unprimeable number, because it can be changed into a prime (47705772731) 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, 244669 + ... + 394048.

It is an arithmetic number, because the mean of its divisors is an integer number (1690047828).

Almost surely, 2^47705772730 is an apocalyptic number.

47705772730 is an abundant number, since it is smaller than the sum of its proper divisors (60457288262).

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

47705772730 is a wasteful number, since it uses less digits than its factorization.

47705772730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638839.

The product of its (nonzero) digits is 2016840, while the sum is 49.

The spelling of 47705772730 in words is "forty-seven billion, seven hundred five million, seven hundred seventy-two thousand, seven hundred thirty".