47321732 has 12 divisors (see below), whose sum is σ = 83633676. Its totient is φ = 23426400.

The previous prime is 47321731. The next prime is 47321777. The reversal of 47321732 is 23712374.

It can be written as a sum of positive squares in 2 ways, for example, as 46430596 + 891136 = 6814^2 + 944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47321695 and 47321704.

It is not an unprimeable number, because it can be changed into a prime (47321731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58163 + ... + 58970.

It is an arithmetic number, because the mean of its divisors is an integer number (6969473).

Almost surely, 2^47321732 is an apocalyptic number.

It is an amenable number.

47321732 is a deficient number, since it is larger than the sum of its proper divisors (36311944).

47321732 is a wasteful number, since it uses less digits than its factorization.

47321732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117238 (or 117236 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 47321732 is about 6879.0792988597. The cubic root of 47321732 is about 361.7041935006.

The spelling of 47321732 in words is "forty-seven million, three hundred twenty-one thousand, seven hundred thirty-two".