72265133 has 2 divisors, whose sum is σ = 72265134. Its totient is φ = 72265132.

The previous prime is 72265121. The next prime is 72265153. The reversal of 72265133 is 33156227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67947049 + 4318084 = 8243^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 72265133 - 2¹⁰ = 72264109 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72265096 and 72265105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72265153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132566 + 36132567.

It is an arithmetic number, because the mean of its divisors is an integer number (36132567).

Almost surely, 2^72265133 is an apocalyptic number.

It is an amenable number.

72265133 is a deficient number, since it is larger than the sum of its proper divisors (1).

72265133 is an equidigital number, since it uses as much as digits as its factorization.

72265133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 72265133 is about 8500.8901298629. The cubic root of 72265133 is about 416.5267861833.

The spelling of 72265133 in words is "seventy-two million, two hundred sixty-five thousand, one hundred thirty-three".