730287013 has 2 divisors, whose sum is σ = 730287014. Its totient is φ = 730287012.

The previous prime is 730287011. The next prime is 730287067. The reversal of 730287013 is 310782037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464531809 + 265755204 = 21553^2 + 16302^2 .

It is a cyclic number.

It is not a de Polignac number, because 730287013 - 2¹ = 730287011 is a prime.

It is a super-3 number, since 3×730287013³ (a number of 28 digits) contains 333 as substring.

Together with 730287011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730287011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365143506 + 365143507.

It is an arithmetic number, because the mean of its divisors is an integer number (365143507).

Almost surely, 2^730287013 is an apocalyptic number.

It is an amenable number.

730287013 is a deficient number, since it is larger than the sum of its proper divisors (1).

730287013 is an equidigital number, since it uses as much as digits as its factorization.

730287013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 730287013 is about 27023.8230641040. The cubic root of 730287013 is about 900.5293236034.

It can be divided in two parts, 7302870 and 13, that multiplied together give a triangular number (94937310 = T₁₃₇₇₉).

The spelling of 730287013 in words is "seven hundred thirty million, two hundred eighty-seven thousand, thirteen".