730453207073 has 4 divisors (see below), whose sum is σ = 730680270660. Its totient is φ = 730226143488.

The previous prime is 730453207013. The next prime is 730453207117. The reversal of 730453207073 is 370702354037.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 613015400209 + 117437806864 = 782953^2 + 342692^2 .

It is a cyclic number.

It is not a de Polignac number, because 730453207073 - 2¹² = 730453202977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730453207073.

It is not an unprimeable number, because it can be changed into a prime (730453207013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113526968 + ... + 113533401.

It is an arithmetic number, because the mean of its divisors is an integer number (182670067665).

Almost surely, 2^730453207073 is an apocalyptic number.

It is an amenable number.

730453207073 is a deficient number, since it is larger than the sum of its proper divisors (227063587).

730453207073 is a wasteful number, since it uses less digits than its factorization.

730453207073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227063586.

The product of its (nonzero) digits is 370440, while the sum is 41.

The spelling of 730453207073 in words is "seven hundred thirty billion, four hundred fifty-three million, two hundred seven thousand, seventy-three".