28367573 has 16 divisors (see below), whose sum is σ = 32288256. Its totient is φ = 24736320.

The previous prime is 28367569. The next prime is 28367617. The reversal of 28367573 is 37576382.

It is a cyclic number.

It is not a de Polignac number, because 28367573 - 2² = 28367569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28367573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28367173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16511 + ... + 18147.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016).

Almost surely, 2^28367573 is an apocalyptic number.

It is an amenable number.

28367573 is a deficient number, since it is larger than the sum of its proper divisors (3920683).

28367573 is a wasteful number, since it uses less digits than its factorization.

28367573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its digits is 211680, while the sum is 41.

The square root of 28367573 is about 5326.1217597798. The cubic root of 28367573 is about 304.9818962649.

The spelling of 28367573 in words is "twenty-eight million, three hundred sixty-seven thousand, five hundred seventy-three".