28372766 has 8 divisors (see below), whose sum is σ = 42884424. Its totient is φ = 14077960.

The previous prime is 28372741. The next prime is 28372769. The reversal of 28372766 is 66727382.

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

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 3 ways as a sum of consecutive naturals, for example, 53885 + ... + 54408.

It is an arithmetic number, because the mean of its divisors is an integer number (5360553).

Almost surely, 2^28372766 is an apocalyptic number.

28372766 is a deficient number, since it is larger than the sum of its proper divisors (14511658).

28372766 is a wasteful number, since it uses less digits than its factorization.

28372766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108426.

The product of its digits is 169344, while the sum is 41.

The square root of 28372766 is about 5326.6092404080. The cubic root of 28372766 is about 305.0005052397. Note that the first 3 decimals are identical.

The spelling of 28372766 in words is "twenty-eight million, three hundred seventy-two thousand, seven hundred sixty-six".