730473727 has 2 divisors, whose sum is σ = 730473728. Its totient is φ = 730473726.

The previous prime is 730473703. The next prime is 730473769. The reversal of 730473727 is 727374037.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730473727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 730473727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730473797) 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, 365236863 + 365236864.

It is an arithmetic number, because the mean of its divisors is an integer number (365236864).

Almost surely, 2^730473727 is an apocalyptic number.

730473727 is a deficient number, since it is larger than the sum of its proper divisors (1).

730473727 is an equidigital number, since it uses as much as digits as its factorization.

730473727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172872, while the sum is 40.

The square root of 730473727 is about 27027.2774618532. The cubic root of 730473727 is about 900.6060637989.

The spelling of 730473727 in words is "seven hundred thirty million, four hundred seventy-three thousand, seven hundred twenty-seven".