7801560 has 96 divisors (see below), whose sum is σ = 27321840. Its totient is φ = 1919232.

The previous prime is 7801523. The next prime is 7801567. The reversal of 7801560 is 651087.

7801560 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7801567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3847 + ... + 5513.

Almost surely, 2^7801560 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 7801560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13660920).

7801560 is an abundant number, since it is smaller than the sum of its proper divisors (19520280).

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

7801560 is a wasteful number, since it uses less digits than its factorization.

7801560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 7801560 is about 2793.1272795918. The cubic root of 7801560 is about 198.3324686700.

The spelling of 7801560 in words is "seven million, eight hundred one thousand, five hundred sixty".