730000133 has 2 divisors, whose sum is σ = 730000134. Its totient is φ = 730000132.

The previous prime is 730000129. The next prime is 730000153. The reversal of 730000133 is 331000037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485453089 + 244547044 = 22033^2 + 15638^2 .

It is an emirp because it is prime and its reverse (331000037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730000133 - 2² = 730000129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730000153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365000066 + 365000067.

It is an arithmetic number, because the mean of its divisors is an integer number (365000067).

Almost surely, 2^730000133 is an apocalyptic number.

It is an amenable number.

730000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

730000133 is an equidigital number, since it uses as much as digits as its factorization.

730000133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 730000133 is about 27018.5146334879. The cubic root of 730000133 is about 900.4113892919.

The spelling of 730000133 in words is "seven hundred thirty million, one hundred thirty-three", and thus it is an aban number.