47071856 has 20 divisors (see below), whose sum is σ = 98217672. Its totient is φ = 21725376.

The previous prime is 47071853. The next prime is 47071859. The reversal of 47071856 is 65817074.

It is an interprime number because it is at equal distance from previous prime (47071853) and next prime (47071859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47071853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 112946 + ... + 113361.

Almost surely, 2^47071856 is an apocalyptic number.

It is an amenable number.

47071856 is an abundant number, since it is smaller than the sum of its proper divisors (51145816).

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

47071856 is a wasteful number, since it uses less digits than its factorization.

47071856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226328 (or 226322 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 47071856 is about 6860.8932363068. The cubic root of 47071856 is about 361.0664262885.

The spelling of 47071856 in words is "forty-seven million, seventy-one thousand, eight hundred fifty-six".