9681372 has 18 divisors (see below), whose sum is σ = 24472448. Its totient is φ = 3227112.

The previous prime is 9681361. The next prime is 9681401. The reversal of 9681372 is 2731869.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 268927 = 9681372 / (9 + 6 + 8 + 1 + 3 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134428 + ... + 134499.

Almost surely, 2^9681372 is an apocalyptic number.

It is an amenable number.

9681372 is an abundant number, since it is smaller than the sum of its proper divisors (14791076).

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

9681372 is a wasteful number, since it uses less digits than its factorization.

9681372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268937 (or 268932 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9681372 is about 3111.4903181595. The cubic root of 9681372 is about 213.1305157913.

The spelling of 9681372 in words is "nine million, six hundred eighty-one thousand, three hundred seventy-two".