7871104 has 16 divisors (see below), whose sum is σ = 15680970. Its totient is φ = 3935488.

The previous prime is 7871081. The next prime is 7871113. The reversal of 7871104 is 4011787.

It can be written as a sum of positive squares in only one way, i.e., 4631104 + 3240000 = 2152^2 + 1800^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30619 + ... + 30874.

Almost surely, 2^7871104 is an apocalyptic number.

It is an amenable number.

7871104 is a deficient number, since it is larger than the sum of its proper divisors (7809866).

7871104 is an equidigital number, since it uses as much as digits as its factorization.

7871104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61507 (or 61495 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 7871104 is about 2805.5487876706. The cubic root of 7871104 is about 198.9200456560.

It can be divided in two parts, 787 and 1104, that added together give a triangular number (1891 = T₆₁).

The spelling of 7871104 in words is "seven million, eight hundred seventy-one thousand, one hundred four".