28763675 has 6 divisors (see below), whose sum is σ = 35666988. Its totient is φ = 23010920.

The previous prime is 28763641. The next prime is 28763723. The reversal of 28763675 is 57636782.

It is not a de Polignac number, because 28763675 - 2¹⁰ = 28762651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575249 + ... + 575298.

It is an arithmetic number, because the mean of its divisors is an integer number (5944498).

Almost surely, 2^28763675 is an apocalyptic number.

28763675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28763675 is a deficient number, since it is larger than the sum of its proper divisors (6903313).

28763675 is a wasteful number, since it uses less digits than its factorization.

28763675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150557 (or 1150552 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 28763675 is about 5363.1776961052. The cubic root of 28763675 is about 306.3948474877.

The spelling of 28763675 in words is "twenty-eight million, seven hundred sixty-three thousand, six hundred seventy-five".