28762733 has 2 divisors, whose sum is σ = 28762734. Its totient is φ = 28762732.

The previous prime is 28762711. The next prime is 28762757. The reversal of 28762733 is 33726782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22676644 + 6086089 = 4762^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 28762733 - 2¹⁰ = 28761709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28762703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381366 + 14381367.

It is an arithmetic number, because the mean of its divisors is an integer number (14381367).

Almost surely, 2^28762733 is an apocalyptic number.

It is an amenable number.

28762733 is a deficient number, since it is larger than the sum of its proper divisors (1).

28762733 is an equidigital number, since it uses as much as digits as its factorization.

28762733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 28762733 is about 5363.0898743169. The cubic root of 28762733 is about 306.3915026775.

The spelling of 28762733 in words is "twenty-eight million, seven hundred sixty-two thousand, seven hundred thirty-three".