47732820 has 48 divisors (see below), whose sum is σ = 139466880. Its totient is φ = 12174976.

The previous prime is 47732801. The next prime is 47732851. The reversal of 47732820 is 2823774.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15915 + ... + 18674.

It is an arithmetic number, because the mean of its divisors is an integer number (2905560).

Almost surely, 2^47732820 is an apocalyptic number.

It is an amenable number.

47732820 is an abundant number, since it is smaller than the sum of its proper divisors (91734060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47732820 is a wasteful number, since it uses less digits than its factorization.

47732820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34624 (or 34622 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 47732820 is about 6908.8942675366. The cubic root of 47732820 is about 362.7485604031.

The spelling of 47732820 in words is "forty-seven million, seven hundred thirty-two thousand, eight hundred twenty".