730427837 has 2 divisors, whose sum is σ = 730427838. Its totient is φ = 730427836.

The previous prime is 730427809. The next prime is 730427839. The reversal of 730427837 is 738724037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504406681 + 226021156 = 22459^2 + 15034^2 .

It is a cyclic number.

It is not a de Polignac number, because 730427837 - 2¹⁸ = 730165693 is a prime.

Together with 730427839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 730427794 and 730427803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730427839) 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, 365213918 + 365213919.

It is an arithmetic number, because the mean of its divisors is an integer number (365213919).

Almost surely, 2^730427837 is an apocalyptic number.

It is an amenable number.

730427837 is a deficient number, since it is larger than the sum of its proper divisors (1).

730427837 is an equidigital number, since it uses as much as digits as its factorization.

730427837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 730427837 is about 27026.4284913860. The cubic root of 730427837 is about 900.5872040388.

The spelling of 730427837 in words is "seven hundred thirty million, four hundred twenty-seven thousand, eight hundred thirty-seven".