28926073 has 4 divisors (see below), whose sum is σ = 31555728. Its totient is φ = 26296420.

The previous prime is 28926067. The next prime is 28926077. The reversal of 28926073 is 37062982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28926073 - 2⁵ = 28926041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28926077) 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, 1314811 + ... + 1314832.

It is an arithmetic number, because the mean of its divisors is an integer number (7888932).

Almost surely, 2^28926073 is an apocalyptic number.

It is an amenable number.

28926073 is a deficient number, since it is larger than the sum of its proper divisors (2629655).

28926073 is a wasteful number, since it uses less digits than its factorization.

28926073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629654.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 28926073 is about 5378.2964775103. The cubic root of 28926073 is about 306.9703947090.

It can be divided in two parts, 289 and 26073, that added together give a palindrome (26362).

The spelling of 28926073 in words is "twenty-eight million, nine hundred twenty-six thousand, seventy-three".