9712140 has 24 divisors (see below), whose sum is σ = 27194160. Its totient is φ = 2589888.

The previous prime is 9712133. The next prime is 9712147. The reversal of 9712140 is 412179.

It is an interprime number because it is at equal distance from previous prime (9712133) and next prime (9712147).

It is a self number, because there is not a number n which added to its sum of digits gives 9712140.

It is not an unprimeable number, because it can be changed into a prime (9712147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80875 + ... + 80994.

It is an arithmetic number, because the mean of its divisors is an integer number (1133090).

Almost surely, 2^9712140 is an apocalyptic number.

It is an amenable number.

9712140 is an abundant number, since it is smaller than the sum of its proper divisors (17482020).

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

9712140 is a wasteful number, since it uses less digits than its factorization.

9712140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161881 (or 161879 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 9712140 is about 3116.4306506001. The cubic root of 9712140 is about 213.3560576922.

The spelling of 9712140 in words is "nine million, seven hundred twelve thousand, one hundred forty".