8742133 has 2 divisors, whose sum is σ = 8742134. Its totient is φ = 8742132.

The previous prime is 8742121. The next prime is 8742157. The reversal of 8742133 is 3312478.

8742133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 3755844 = 2233^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 8742133 - 2¹³ = 8733941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8742103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4371066 + 4371067.

It is an arithmetic number, because the mean of its divisors is an integer number (4371067).

Almost surely, 2^8742133 is an apocalyptic number.

It is an amenable number.

8742133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8742133 is an equidigital number, since it uses as much as digits as its factorization.

8742133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 8742133 is about 2956.7098268176. The cubic root of 8742133 is about 206.0024899941.

The spelling of 8742133 in words is "eight million, seven hundred forty-two thousand, one hundred thirty-three".