28762 has 8 divisors (see below), whose sum is σ = 43956. Its totient is φ = 14112.

The previous prime is 28759. The next prime is 28771. The reversal of 28762 is 26782.

It can be written as a sum of positive squares in 2 ways, for example, as 25281 + 3481 = 159^2 + 59^2 .

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

28762 is an undulating number in base 14.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48 + ... + 244.

2²⁸⁷⁶² is an apocalyptic number.

28762 is a deficient number, since it is larger than the sum of its proper divisors (15194).

28762 is a wasteful number, since it uses less digits than its factorization.

28762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its digits is 1344, while the sum is 25.

The square root of 28762 is about 169.5936319559. The cubic root of 28762 is about 30.6388899924.

The spelling of 28762 in words is "twenty-eight thousand, seven hundred sixty-two".