47783272 has 8 divisors (see below), whose sum is σ = 89593650. Its totient is φ = 23891632.

The previous prime is 47783269. The next prime is 47783279. The reversal of 47783272 is 27238774.

47783272 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 only one way, i.e., 47527236 + 256036 = 6894^2 + 506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (47783279) 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 as a sum of consecutive naturals, namely, 2986447 + ... + 2986462.

Almost surely, 2^47783272 is an apocalyptic number.

It is an amenable number.

47783272 is a deficient number, since it is larger than the sum of its proper divisors (41810378).

47783272 is a wasteful number, since it uses less digits than its factorization.

47783272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972915 (or 5972911 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 47783272 is about 6912.5445387354. The cubic root of 47783272 is about 362.8763197810.

The spelling of 47783272 in words is "forty-seven million, seven hundred eighty-three thousand, two hundred seventy-two".