47782345 has 8 divisors (see below), whose sum is σ = 61749576. Its totient is φ = 35285376.

The previous prime is 47782333. The next prime is 47782349. The reversal of 47782345 is 54328774.

47782345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 227529 + 47554816 = 477^2 + 6896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47782345 - 2¹¹ = 47780297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47782298 and 47782307.

It is not an unprimeable number, because it can be changed into a prime (47782349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367492 + ... + 367621.

It is an arithmetic number, because the mean of its divisors is an integer number (7718697).

Almost surely, 2^47782345 is an apocalyptic number.

It is an amenable number.

47782345 is a deficient number, since it is larger than the sum of its proper divisors (13967231).

47782345 is a wasteful number, since it uses less digits than its factorization.

47782345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735131.

The product of its digits is 188160, while the sum is 40.

The square root of 47782345 is about 6912.4774864010. The cubic root of 47782345 is about 362.8739731542.

The spelling of 47782345 in words is "forty-seven million, seven hundred eighty-two thousand, three hundred forty-five".