730172533 has 2 divisors, whose sum is σ = 730172534. Its totient is φ = 730172532.

The previous prime is 730172519. The next prime is 730172539. The reversal of 730172533 is 335271037.

730172533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594286884 + 135885649 = 24378^2 + 11657^2 .

It is a cyclic number.

It is not a de Polignac number, because 730172533 - 2²⁵ = 696618101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 730172495 and 730172504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730172539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365086266 + 365086267.

It is an arithmetic number, because the mean of its divisors is an integer number (365086267).

Almost surely, 2^730172533 is an apocalyptic number.

It is an amenable number.

730172533 is a deficient number, since it is larger than the sum of its proper divisors (1).

730172533 is an equidigital number, since it uses as much as digits as its factorization.

730172533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 730172533 is about 27021.7048499905. The cubic root of 730172533 is about 900.4822654000.

The spelling of 730172533 in words is "seven hundred thirty million, one hundred seventy-two thousand, five hundred thirty-three".