730053073 has 2 divisors, whose sum is σ = 730053074. Its totient is φ = 730053072.

The previous prime is 730053043. The next prime is 730053109. The reversal of 730053073 is 370350037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433972224 + 296080849 = 20832^2 + 17207^2 .

It is an emirp because it is prime and its reverse (370350037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730053073 - 2¹³ = 730044881 is a prime.

It is not a weakly prime, because it can be changed into another prime (730053043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365026536 + 365026537.

It is an arithmetic number, because the mean of its divisors is an integer number (365026537).

Almost surely, 2^730053073 is an apocalyptic number.

It is an amenable number.

730053073 is a deficient number, since it is larger than the sum of its proper divisors (1).

730053073 is an equidigital number, since it uses as much as digits as its factorization.

730053073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 730053073 is about 27019.4943142909. The cubic root of 730053073 is about 900.4331548709.

The spelling of 730053073 in words is "seven hundred thirty million, fifty-three thousand, seventy-three".