28360071 has 24 divisors (see below), whose sum is σ = 43453680. Its totient is φ = 18280080.

The previous prime is 28360067. The next prime is 28360099. The reversal of 28360071 is 17006382.

It is not a de Polignac number, because 28360071 - 2² = 28360067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28360571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25401 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (1810570).

Almost surely, 2^28360071 is an apocalyptic number.

28360071 is a deficient number, since it is larger than the sum of its proper divisors (15093609).

28360071 is a wasteful number, since it uses less digits than its factorization.

28360071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 28360071 is about 5325.4174484260. The cubic root of 28360071 is about 304.9550090404.

The spelling of 28360071 in words is "twenty-eight million, three hundred sixty thousand, seventy-one".