28727626 has 8 divisors (see below), whose sum is σ = 43251264. Its totient is φ = 14310540.

The previous prime is 28727623. The next prime is 28727683. The reversal of 28727626 is 62672782.

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

It is not an unprimeable number, because it can be changed into a prime (28727623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25960 + ... + 27043.

It is an arithmetic number, because the mean of its divisors is an integer number (5406408).

Almost surely, 2^28727626 is an apocalyptic number.

28727626 is a deficient number, since it is larger than the sum of its proper divisors (14523638).

28727626 is a wasteful number, since it uses less digits than its factorization.

28727626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53276.

The product of its digits is 112896, while the sum is 40.

The square root of 28727626 is about 5359.8158550458. The cubic root of 28727626 is about 306.2667942477.

The spelling of 28727626 in words is "twenty-eight million, seven hundred twenty-seven thousand, six hundred twenty-six".