26942728 has 8 divisors (see below), whose sum is σ = 50517630. Its totient is φ = 13471360.

The previous prime is 26942723. The next prime is 26942749. The reversal of 26942728 is 82724962.

It can be written as a sum of positive squares in only one way, i.e., 26811684 + 131044 = 5178^2 + 362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (26942723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683913 + ... + 1683928.

Almost surely, 2^26942728 is an apocalyptic number.

It is an amenable number.

26942728 is a deficient number, since it is larger than the sum of its proper divisors (23574902).

26942728 is a wasteful number, since it uses less digits than its factorization.

26942728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367847 (or 3367843 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 26942728 is about 5190.6384963702. The cubic root of 26942728 is about 299.7877313236.

The spelling of 26942728 in words is "twenty-six million, nine hundred forty-two thousand, seven hundred twenty-eight".