7120044 has 18 divisors (see below), whose sum is σ = 17997980. Its totient is φ = 2373336.

The previous prime is 7120039. The next prime is 7120063. The reversal of 7120044 is 4400217.

It is a happy number.

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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 7119999 and 7120026.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 98854 + ... + 98925.

Almost surely, 2^7120044 is an apocalyptic number.

It is an amenable number.

7120044 is an abundant number, since it is smaller than the sum of its proper divisors (10877936).

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

7120044 is a wasteful number, since it uses less digits than its factorization.

7120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197789 (or 197784 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7120044 is about 2668.3410576611. The cubic root of 7120044 is about 192.3804306092.

The spelling of 7120044 in words is "seven million, one hundred twenty thousand, forty-four".