47212276 has 12 divisors (see below), whose sum is σ = 82669860. Its totient is φ = 23592320.

The previous prime is 47212273. The next prime is 47212313. The reversal of 47212276 is 67221274.

47212276 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 2 ways, for example, as 42902500 + 4309776 = 6550^2 + 2076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47212273) 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 3 ways as a sum of consecutive naturals, for example, 10446 + ... + 14266.

It is an arithmetic number, because the mean of its divisors is an integer number (6889155).

Almost surely, 2^47212276 is an apocalyptic number.

It is an amenable number.

47212276 is a deficient number, since it is larger than the sum of its proper divisors (35457584).

47212276 is a wasteful number, since it uses less digits than its factorization.

47212276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914 (or 6912 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 47212276 is about 6871.1189772846. The cubic root of 47212276 is about 361.4251021510.

The spelling of 47212276 in words is "forty-seven million, two hundred twelve thousand, two hundred seventy-six".