7279120 has 20 divisors (see below), whose sum is σ = 16924140. Its totient is φ = 2911616.

The previous prime is 7279117. The next prime is 7279157. The reversal of 7279120 is 219727.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 3326976 = 1988^2 + 1824^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 45415 + ... + 45574.

It is an arithmetic number, because the mean of its divisors is an integer number (846207).

Almost surely, 2^7279120 is an apocalyptic number.

It is an amenable number.

7279120 is an abundant number, since it is smaller than the sum of its proper divisors (9645020).

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

7279120 is a wasteful number, since it uses less digits than its factorization.

7279120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91002 (or 90996 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7279120 is about 2697.9844328684. The cubic root of 7279120 is about 193.8026121429.

The spelling of 7279120 in words is "seven million, two hundred seventy-nine thousand, one hundred twenty".