730700431 has 2 divisors, whose sum is σ = 730700432. Its totient is φ = 730700430.

The previous prime is 730700389. The next prime is 730700441. The reversal of 730700431 is 134007037.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (134007037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730700431 - 2¹¹ = 730698383 is a prime.

It is a super-2 number, since 2×730700431² = 1067846239727171522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 730700396 and 730700405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730700441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365350215 + 365350216.

It is an arithmetic number, because the mean of its divisors is an integer number (365350216).

Almost surely, 2^730700431 is an apocalyptic number.

730700431 is a deficient number, since it is larger than the sum of its proper divisors (1).

730700431 is an equidigital number, since it uses as much as digits as its factorization.

730700431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 730700431 is about 27031.4711216389. The cubic root of 730700431 is about 900.6992224673.

Adding to 730700431 its reverse (134007037), we get a palindrome (864707468).

The spelling of 730700431 in words is "seven hundred thirty million, seven hundred thousand, four hundred thirty-one".