730713019 has 2 divisors, whose sum is σ = 730713020. Its totient is φ = 730713018.

The previous prime is 730712999. The next prime is 730713041. The reversal of 730713019 is 910317037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 730713019 - 2⁵ = 730712987 is a prime.

It is a super-2 number, since 2×730713019² = 1067883032272188722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (730713079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365356509 + 365356510.

It is an arithmetic number, because the mean of its divisors is an integer number (365356510).

Almost surely, 2^730713019 is an apocalyptic number.

730713019 is a deficient number, since it is larger than the sum of its proper divisors (1).

730713019 is an equidigital number, since it uses as much as digits as its factorization.

730713019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 730713019 is about 27031.7039603500. The cubic root of 730713019 is about 900.7043946447.

The spelling of 730713019 in words is "seven hundred thirty million, seven hundred thirteen thousand, nineteen".