28126071 has 12 divisors (see below), whose sum is σ = 40720680. Its totient is φ = 18707280.

The previous prime is 28126057. The next prime is 28126073. The reversal of 28126071 is 17062182.

It is a de Polignac number, because none of the positive numbers 2^k-28126071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28126073) 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, 760 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (3393390).

Almost surely, 2^28126071 is an apocalyptic number.

28126071 is a deficient number, since it is larger than the sum of its proper divisors (12594609).

28126071 is a wasteful number, since it uses less digits than its factorization.

28126071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246 (or 7243 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 28126071 is about 5303.4018327862. The cubic root of 28126071 is about 304.1139599005.

The spelling of 28126071 in words is "twenty-eight million, one hundred twenty-six thousand, seventy-one".