9955072 has 36 divisors (see below), whose sum is σ = 20427736. Its totient is φ = 4838400.

The previous prime is 9955009. The next prime is 9955073. The reversal of 9955072 is 2705599.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8947 + ... + 9997.

Almost surely, 2^9955072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9955072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10213868).

9955072 is an abundant number, since it is smaller than the sum of its proper divisors (10472664).

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

9955072 is a wasteful number, since it uses less digits than its factorization.

9955072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 9955072 is about 3155.1659227369. The cubic root of 9955072 is about 215.1203364565.

The spelling of 9955072 in words is "nine million, nine hundred fifty-five thousand, seventy-two".