28927742 has 8 divisors (see below), whose sum is σ = 43423776. Its totient is φ = 14453152.

The previous prime is 28927733. The next prime is 28927751. The reversal of 28927742 is 24772982.

It is an interprime number because it is at equal distance from previous prime (28927733) and next prime (28927751).

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

It is a self number, because there is not a number n which added to its sum of digits gives 28927742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403 + ... + 7734.

It is an arithmetic number, because the mean of its divisors is an integer number (5427972).

Almost surely, 2^28927742 is an apocalyptic number.

28927742 is a deficient number, since it is larger than the sum of its proper divisors (14496034).

28927742 is a wasteful number, since it uses less digits than its factorization.

28927742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722.

The product of its digits is 112896, while the sum is 41.

The square root of 28927742 is about 5378.4516359265. The cubic root of 28927742 is about 306.9762985377.

The spelling of 28927742 in words is "twenty-eight million, nine hundred twenty-seven thousand, seven hundred forty-two".