7987380 has 48 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 2117248.

The previous prime is 7987373. The next prime is 7987387. The reversal of 7987380 is 837897.

7987380 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 (7987373) and next prime (7987387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14062 + ... + 14618.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^7987380 is an apocalyptic number.

It is an amenable number.

7987380 is an abundant number, since it is smaller than the sum of its proper divisors (14511180).

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

7987380 is a wasteful number, since it uses less digits than its factorization.

7987380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 7987380 is about 2826.1953223371. The cubic root of 7987380 is about 199.8947779847.

The spelling of 7987380 in words is "seven million, nine hundred eighty-seven thousand, three hundred eighty".