7940871 has 12 divisors (see below), whose sum is σ = 11542648. Its totient is φ = 5260464.

The previous prime is 7940857. The next prime is 7940893. The reversal of 7940871 is 1780497.

7940871 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7940871 - 2¹⁰ = 7939847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1240 + ... + 4173.

Almost surely, 2^7940871 is an apocalyptic number.

7940871 is a deficient number, since it is larger than the sum of its proper divisors (3601777).

7940871 is a wasteful number, since it uses less digits than its factorization.

7940871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 7940871 is about 2817.9551096495. The cubic root of 7940871 is about 199.5060393521.

The spelling of 7940871 in words is "seven million, nine hundred forty thousand, eight hundred seventy-one".