47949785 has 16 divisors (see below), whose sum is σ = 62233920. Its totient is φ = 35256000.

The previous prime is 47949767. The next prime is 47949791. The reversal of 47949785 is 58794974.

It is not a de Polignac number, because 47949785 - 2¹⁴ = 47933401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14846 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (3889620).

Almost surely, 2^47949785 is an apocalyptic number.

It is an amenable number.

47949785 is a deficient number, since it is larger than the sum of its proper divisors (14284135).

47949785 is a wasteful number, since it uses less digits than its factorization.

47949785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208.

The product of its digits is 2540160, while the sum is 53.

The square root of 47949785 is about 6924.5783265120. The cubic root of 47949785 is about 363.2973428050.

The spelling of 47949785 in words is "forty-seven million, nine hundred forty-nine thousand, seven hundred eighty-five".