730312232977 has 2 divisors, whose sum is σ = 730312232978. Its totient is φ = 730312232976.

The previous prime is 730312232953. The next prime is 730312233059. The reversal of 730312232977 is 779232213037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630759993616 + 99552239361 = 794204^2 + 315519^2 .

It is an emirp because it is prime and its reverse (779232213037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730312232977 - 2¹⁵ = 730312200209 is a prime.

It is not a weakly prime, because it can be changed into another prime (730312235977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365156116488 + 365156116489.

It is an arithmetic number, because the mean of its divisors is an integer number (365156116489).

Almost surely, 2^730312232977 is an apocalyptic number.

It is an amenable number.

730312232977 is a deficient number, since it is larger than the sum of its proper divisors (1).

730312232977 is an equidigital number, since it uses as much as digits as its factorization.

730312232977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 730312232977 in words is "seven hundred thirty billion, three hundred twelve million, two hundred thirty-two thousand, nine hundred seventy-seven".