28746766 has 8 divisors (see below), whose sum is σ = 43160040. Its totient is φ = 14360088.

The previous prime is 28746763. The next prime is 28746769. The reversal of 28746766 is 66764782.

It is an interprime number because it is at equal distance from previous prime (28746763) and next prime (28746769).

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 (28746763) 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, 3681 + ... + 8428.

It is an arithmetic number, because the mean of its divisors is an integer number (5395005).

Almost surely, 2^28746766 is an apocalyptic number.

28746766 is a deficient number, since it is larger than the sum of its proper divisors (14413274).

28746766 is a wasteful number, since it uses less digits than its factorization.

28746766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13298.

The product of its digits is 677376, while the sum is 46.

The square root of 28746766 is about 5361.6010668456. The cubic root of 28746766 is about 306.3347966770.

The spelling of 28746766 in words is "twenty-eight million, seven hundred forty-six thousand, seven hundred sixty-six".