7920560 has 40 divisors (see below), whose sum is σ = 18550896. Its totient is φ = 3144960.

The previous prime is 7920559. The next prime is 7920569. The reversal of 7920560 is 650297.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7920569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14207 + ... + 14753.

Almost surely, 2^7920560 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 7920560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9275448).

7920560 is an abundant number, since it is smaller than the sum of its proper divisors (10630336).

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

7920560 is a wasteful number, since it uses less digits than its factorization.

7920560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 7920560 is about 2814.3489478030. The cubic root of 7920560 is about 199.3357966112.

The spelling of 7920560 in words is "seven million, nine hundred twenty thousand, five hundred sixty".