47872322 has 4 divisors (see below), whose sum is σ = 71808486. Its totient is φ = 23936160.

The previous prime is 47872309. The next prime is 47872327. The reversal of 47872322 is 22327874.

47872322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 1100401 = 6839^2 + 1049^2 .

It is not an unprimeable number, because it can be changed into a prime (47872327) 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, 11968079 + ... + 11968082.

Almost surely, 2^47872322 is an apocalyptic number.

47872322 is a deficient number, since it is larger than the sum of its proper divisors (23936164).

47872322 is a wasteful number, since it uses less digits than its factorization.

47872322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23936163.

The product of its digits is 37632, while the sum is 35.

The square root of 47872322 is about 6918.9827286965. The cubic root of 47872322 is about 363.1016014322.

The spelling of 47872322 in words is "forty-seven million, eight hundred seventy-two thousand, three hundred twenty-two".