28634727 has 8 divisors (see below), whose sum is σ = 41650560. Its totient is φ = 17354360.

The previous prime is 28634717. The next prime is 28634737. The reversal of 28634727 is 72743682.

It is an interprime number because it is at equal distance from previous prime (28634717) and next prime (28634737).

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

It is a cyclic number.

It is not a de Polignac number, because 28634727 - 2²⁰ = 27586151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28634717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433827 + ... + 433892.

It is an arithmetic number, because the mean of its divisors is an integer number (5206320).

Almost surely, 2^28634727 is an apocalyptic number.

28634727 is a deficient number, since it is larger than the sum of its proper divisors (13015833).

28634727 is a wasteful number, since it uses less digits than its factorization.

28634727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867733.

The product of its digits is 112896, while the sum is 39.

The square root of 28634727 is about 5351.1425882703. The cubic root of 28634727 is about 305.9363039706.

The spelling of 28634727 in words is "twenty-eight million, six hundred thirty-four thousand, seven hundred twenty-seven".