28734733 has 2 divisors, whose sum is σ = 28734734. Its totient is φ = 28734732.

The previous prime is 28734703. The next prime is 28734763. The reversal of 28734733 is 33743782.

It is a balanced prime because it is at equal distance from previous prime (28734703) and next prime (28734763).

It can be written as a sum of positive squares in only one way, i.e., 28708164 + 26569 = 5358^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 28734733 - 2⁵ = 28734701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28734692 and 28734701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28734703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14367366 + 14367367.

It is an arithmetic number, because the mean of its divisors is an integer number (14367367).

Almost surely, 2^28734733 is an apocalyptic number.

It is an amenable number.

28734733 is a deficient number, since it is larger than the sum of its proper divisors (1).

28734733 is an equidigital number, since it uses as much as digits as its factorization.

28734733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 28734733 is about 5360.4788032414. The cubic root of 28734733 is about 306.2920482040.

The spelling of 28734733 in words is "twenty-eight million, seven hundred thirty-four thousand, seven hundred thirty-three".