28601073 has 8 divisors (see below), whose sum is σ = 42372000. Its totient is φ = 19067364.

The previous prime is 28601059. The next prime is 28601087. The reversal of 28601073 is 37010682.

It is an interprime number because it is at equal distance from previous prime (28601059) and next prime (28601087).

It is not a de Polignac number, because 28601073 - 2¹² = 28596977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1059299 = 28601073 / (2 + 8 + 6 + 0 + 1 + 0 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (28601093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529623 + ... + 529676.

It is an arithmetic number, because the mean of its divisors is an integer number (5296500).

Almost surely, 2^28601073 is an apocalyptic number.

It is an amenable number.

28601073 is a deficient number, since it is larger than the sum of its proper divisors (13770927).

28601073 is a wasteful number, since it uses less digits than its factorization.

28601073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059308 (or 1059302 counting only the distinct ones).

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

The square root of 28601073 is about 5347.9971017195. The cubic root of 28601073 is about 305.8164027450.

The spelling of 28601073 in words is "twenty-eight million, six hundred one thousand, seventy-three".