9871072 has 24 divisors (see below), whose sum is σ = 19509336. Its totient is φ = 4916352.

The previous prime is 9871039. The next prime is 9871073. The reversal of 9871072 is 2701789.

9871072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9871073) 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, 11523 + ... + 12349.

It is an arithmetic number, because the mean of its divisors is an integer number (812889).

Almost surely, 2^9871072 is an apocalyptic number.

It is an amenable number.

9871072 is a deficient number, since it is larger than the sum of its proper divisors (9638264).

9871072 is a wasteful number, since it uses less digits than its factorization.

9871072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 9871072 is about 3141.8262205284. The cubic root of 9871072 is about 214.5135712983.

The spelling of 9871072 in words is "nine million, eight hundred seventy-one thousand, seventy-two".