730747 has 2 divisors, whose sum is σ = 730748. Its totient is φ = 730746.

The previous prime is 730727. The next prime is 730753. The reversal of 730747 is 747037.

It is a strong prime.

It is an emirp because it is prime and its reverse (747037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730747 - 2⁷ = 730619 is a prime.

It is a Chen prime.

It is equal to p₅₈₈₃₄ and since 730747 and 58834 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (730727) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365373 + 365374.

It is an arithmetic number, because the mean of its divisors is an integer number (365374).

2⁷³⁰⁷⁴⁷ is an apocalyptic number.

730747 is a deficient number, since it is larger than the sum of its proper divisors (1).

730747 is an equidigital number, since it uses as much as digits as its factorization.

730747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 730747 is about 854.8374114415. The cubic root of 730747 is about 90.0718356515.

Subtracting 730747 from its reverse (747037), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 730747 in words is "seven hundred thirty thousand, seven hundred forty-seven".