9994072 has 24 divisors (see below), whose sum is σ = 20503260. Its totient is φ = 4529280.

The previous prime is 9994043. The next prime is 9994091. The reversal of 9994072 is 2704999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29488 + ... + 29824.

Almost surely, 2^9994072 is an apocalyptic number.

It is an amenable number.

9994072 is an abundant number, since it is smaller than the sum of its proper divisors (10509188).

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

9994072 is a wasteful number, since it uses less digits than its factorization.

9994072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 9994072 is about 3161.3402221210. The cubic root of 9994072 is about 215.4008889588.

The spelling of 9994072 in words is "nine million, nine hundred ninety-four thousand, seventy-two".