47449750772 has 12 divisors (see below), whose sum is σ = 83038595556. Its totient is φ = 23724437760.

The previous prime is 47449750771. The next prime is 47449750793. The reversal of 47449750772 is 27705794474.

It can be written as a sum of positive squares in 2 ways, for example, as 28359907216 + 19089843556 = 168404^2 + 138166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47449750771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336278 + ... + 456050.

It is an arithmetic number, because the mean of its divisors is an integer number (6919882963).

Almost surely, 2^47449750772 is an apocalyptic number.

It is an amenable number.

47449750772 is a deficient number, since it is larger than the sum of its proper divisors (35588844784).

47449750772 is a wasteful number, since it uses less digits than its factorization.

47449750772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218818 (or 218816 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 56.

The spelling of 47449750772 in words is "forty-seven billion, four hundred forty-nine million, seven hundred fifty thousand, seven hundred seventy-two".