47727770 has 16 divisors (see below), whose sum is σ = 86053320. Its totient is φ = 19059264.

The previous prime is 47727761. The next prime is 47727773. The reversal of 47727770 is 7772774.

It can be written as a sum of positive squares in 4 ways, for example, as 30991489 + 16736281 = 5567^2 + 4091^2 .

It is not an unprimeable number, because it can be changed into a prime (47727773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876 + ... + 10184.

Almost surely, 2^47727770 is an apocalyptic number.

47727770 is a deficient number, since it is larger than the sum of its proper divisors (38325550).

47727770 is a wasteful number, since it uses less digits than its factorization.

47727770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969.

The product of its (nonzero) digits is 134456, while the sum is 41.

The square root of 47727770 is about 6908.5287869415. The cubic root of 47727770 is about 362.7357673547.

The spelling of 47727770 in words is "forty-seven million, seven hundred twenty-seven thousand, seven hundred seventy".