7071887 has 4 divisors (see below), whose sum is σ = 7097160. Its totient is φ = 7046616.

The previous prime is 7071859. The next prime is 7071893. The reversal of 7071887 is 7881707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7071887 - 2¹⁰ = 7070863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7071887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7071817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12212 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (1774290).

Almost surely, 2^7071887 is an apocalyptic number.

7071887 is a deficient number, since it is larger than the sum of its proper divisors (25273).

7071887 is a wasteful number, since it uses less digits than its factorization.

7071887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25272.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 7071887 is about 2659.3019760832. The cubic root of 7071887 is about 191.9457221428.

The spelling of 7071887 in words is "seven million, seventy-one thousand, eight hundred eighty-seven".