7087860 has 108 divisors (see below), whose sum is σ = 23380812. Its totient is φ = 1737216.

The previous prime is 7087853. The next prime is 7087867. The reversal of 7087860 is 687807.

It is a happy number.

7087860 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7087853) and next prime (7087867).

It can be written as a sum of positive squares in 6 ways, for example, as 2396304 + 4691556 = 1548^2 + 2166^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7087867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30304 + ... + 30536.

It is an arithmetic number, because the mean of its divisors is an integer number (216489).

Almost surely, 2^7087860 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 7087860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11690406).

7087860 is an abundant number, since it is smaller than the sum of its proper divisors (16292952).

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

7087860 is a wasteful number, since it uses less digits than its factorization.

7087860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 7087860 is about 2662.3035138767. The cubic root of 7087860 is about 192.0901269576.

The spelling of 7087860 in words is "seven million, eighty-seven thousand, eight hundred sixty".