47739785 has 8 divisors (see below), whose sum is σ = 58685256. Its totient is φ = 37260160.

The previous prime is 47739781. The next prime is 47739787. The reversal of 47739785 is 58793774.

47739785 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 19321 + 47720464 = 139^2 + 6908^2 .

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

It is not a de Polignac number, because 47739785 - 2² = 47739781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47739781) 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, 116234 + ... + 116643.

It is an arithmetic number, because the mean of its divisors is an integer number (7335657).

Almost surely, 2^47739785 is an apocalyptic number.

It is an amenable number.

47739785 is a deficient number, since it is larger than the sum of its proper divisors (10945471).

47739785 is a wasteful number, since it uses less digits than its factorization.

47739785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232923.

The product of its digits is 1481760, while the sum is 50.

The square root of 47739785 is about 6909.3983095491. The cubic root of 47739785 is about 362.7662031965.

The spelling of 47739785 in words is "forty-seven million, seven hundred thirty-nine thousand, seven hundred eighty-five".