730556773 has 2 divisors, whose sum is σ = 730556774. Its totient is φ = 730556772.

The previous prime is 730556699. The next prime is 730556789. The reversal of 730556773 is 377655037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521985409 + 208571364 = 22847^2 + 14442^2 .

It is an emirp because it is prime and its reverse (377655037) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730556773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730559773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365278386 + 365278387.

It is an arithmetic number, because the mean of its divisors is an integer number (365278387).

Almost surely, 2^730556773 is an apocalyptic number.

It is an amenable number.

730556773 is a deficient number, since it is larger than the sum of its proper divisors (1).

730556773 is an equidigital number, since it uses as much as digits as its factorization.

730556773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 463050, while the sum is 43.

The square root of 730556773 is about 27028.8137549542. The cubic root of 730556773 is about 900.6401918331.

The spelling of 730556773 in words is "seven hundred thirty million, five hundred fifty-six thousand, seven hundred seventy-three".