730052003545405 has 4 divisors (see below), whose sum is σ = 876062404254492. Its totient is φ = 584041602836320.

The previous prime is 730052003545399. The next prime is 730052003545433. The reversal of 730052003545405 is 504545300250037.

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 443026975818436 + 287025027726969 = 21048206^2 + 16941813^2 .

It is not a de Polignac number, because 730052003545405 - 2²³ = 730051995156797 is a prime.

It is a super-2 number, since 2×730052003545405² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73005200354536 + ... + 73005200354545.

It is an arithmetic number, because the mean of its divisors is an integer number (219015601063623).

Almost surely, 2^{730052003545405} is an apocalyptic number.

It is an amenable number.

730052003545405 is a deficient number, since it is larger than the sum of its proper divisors (146010400709087).

730052003545405 is a wasteful number, since it uses less digits than its factorization.

730052003545405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146010400709086.

The product of its (nonzero) digits is 1260000, while the sum is 43.

The spelling of 730052003545405 in words is "seven hundred thirty trillion, fifty-two billion, three million, five hundred forty-five thousand, four hundred five".