730581773 has 2 divisors, whose sum is σ = 730581774. Its totient is φ = 730581772.

The previous prime is 730581757. The next prime is 730581779. The reversal of 730581773 is 377185037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707666404 + 22915369 = 26602^2 + 4787^2 .

It is a cyclic number.

It is not a de Polignac number, because 730581773 - 2⁴ = 730581757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 730581773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730581779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365290886 + 365290887.

It is an arithmetic number, because the mean of its divisors is an integer number (365290887).

Almost surely, 2^730581773 is an apocalyptic number.

It is an amenable number.

730581773 is a deficient number, since it is larger than the sum of its proper divisors (1).

730581773 is an equidigital number, since it uses as much as digits as its factorization.

730581773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 730581773 is about 27029.2762204244. The cubic root of 730581773 is about 900.6504651611.

The spelling of 730581773 in words is "seven hundred thirty million, five hundred eighty-one thousand, seven hundred seventy-three".