28372767 has 8 divisors (see below), whose sum is σ = 37863600. Its totient is φ = 18898560.

The previous prime is 28372741. The next prime is 28372769. The reversal of 28372767 is 76727382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28372767 - 2¹⁵ = 28339999 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372769) 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, 609 + ... + 7557.

It is an arithmetic number, because the mean of its divisors is an integer number (4732950).

Almost surely, 2^28372767 is an apocalyptic number.

28372767 is a deficient number, since it is larger than the sum of its proper divisors (9490833).

28372767 is a wasteful number, since it uses less digits than its factorization.

28372767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313.

The product of its digits is 197568, while the sum is 42.

The square root of 28372767 is about 5326.6093342764. The cubic root of 28372767 is about 305.0005088229. Note that the first 3 decimals are identical.

The spelling of 28372767 in words is "twenty-eight million, three hundred seventy-two thousand, seven hundred sixty-seven".