9945732 has 12 divisors (see below), whose sum is σ = 23206736. Its totient is φ = 3315240.

The previous prime is 9945709. The next prime is 9945743. The reversal of 9945732 is 2375499.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414394 + ... + 414417.

Almost surely, 2^9945732 is an apocalyptic number.

It is an amenable number.

9945732 is an abundant number, since it is smaller than the sum of its proper divisors (13261004).

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

9945732 is a wasteful number, since it uses less digits than its factorization.

9945732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828818 (or 828816 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 9945732 is about 3153.6854630733. The cubic root of 9945732 is about 215.0530390148.

The spelling of 9945732 in words is "nine million, nine hundred forty-five thousand, seven hundred thirty-two".