28326742 has 16 divisors (see below), whose sum is σ = 43215120. Its totient is φ = 13923712.

The previous prime is 28326737. The next prime is 28326769. The reversal of 28326742 is 24762382.

It is a junction number, because it is equal to n+sod(n) for n = 28326698 and 28326707.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41133 + ... + 41815.

It is an arithmetic number, because the mean of its divisors is an integer number (2700945).

Almost surely, 2^28326742 is an apocalyptic number.

28326742 is a deficient number, since it is larger than the sum of its proper divisors (14888378).

28326742 is a wasteful number, since it uses less digits than its factorization.

28326742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 32256, while the sum is 34.

The square root of 28326742 is about 5322.2872902541. The cubic root of 28326742 is about 304.8355002935.

The spelling of 28326742 in words is "twenty-eight million, three hundred twenty-six thousand, seven hundred forty-two".