47921712 has 40 divisors (see below), whose sum is σ = 124151280. Its totient is φ = 15928320.

The previous prime is 47921693. The next prime is 47921723. The reversal of 47921712 is 21712974.

47921712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18412 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (3103782).

Almost surely, 2^47921712 is an apocalyptic number.

It is an amenable number.

47921712 is an abundant number, since it is smaller than the sum of its proper divisors (76229568).

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

47921712 is a wasteful number, since it uses less digits than its factorization.

47921712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2855 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 47921712 is about 6922.5509748936. The cubic root of 47921712 is about 363.2264294713.

The spelling of 47921712 in words is "forty-seven million, nine hundred twenty-one thousand, seven hundred twelve".