7871480 has 32 divisors (see below), whose sum is σ = 17796240. Its totient is φ = 3133440.

The previous prime is 7871477. The next prime is 7871483. The reversal of 7871480 is 841787.

It is an interprime number because it is at equal distance from previous prime (7871477) and next prime (7871483).

It is a self number, because there is not a number n which added to its sum of digits gives 7871480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871483) 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, 11960 + ... + 12600.

Almost surely, 2^7871480 is an apocalyptic number.

It is an amenable number.

7871480 is an abundant number, since it is smaller than the sum of its proper divisors (9924760).

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

7871480 is a wasteful number, since it uses less digits than its factorization.

7871480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 7871480 is about 2805.6157969330. The cubic root of 7871480 is about 198.9232130535.

The spelling of 7871480 in words is "seven million, eight hundred seventy-one thousand, four hundred eighty".