47771872 has 12 divisors (see below), whose sum is σ = 94050936. Its totient is φ = 23885920.

The previous prime is 47771869. The next prime is 47771917. The reversal of 47771872 is 27817774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746404 + ... + 746467.

It is an arithmetic number, because the mean of its divisors is an integer number (7837578).

Almost surely, 2^47771872 is an apocalyptic number.

It is an amenable number.

47771872 is a deficient number, since it is larger than the sum of its proper divisors (46279064).

47771872 is a wasteful number, since it uses less digits than its factorization.

47771872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492881 (or 1492873 counting only the distinct ones).

The product of its digits is 153664, while the sum is 43.

The square root of 47771872 is about 6911.7199017321. The cubic root of 47771872 is about 362.8474594784.

The spelling of 47771872 in words is "forty-seven million, seven hundred seventy-one thousand, eight hundred seventy-two".