1730227545373 has 4 divisors (see below), whose sum is σ = 1730239808220. Its totient is φ = 1730215282528.

The previous prime is 1730227545247. The next prime is 1730227545383. The reversal of 1730227545373 is 3735457220371.

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 758942395929 + 971285149444 = 871173^2 + 985538^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730227545373 - 2²⁹ = 1729690674461 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730227545383) 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, 5917288 + ... + 6202801.

It is an arithmetic number, because the mean of its divisors is an integer number (432559952055).

Almost surely, 2^{1730227545373} is an apocalyptic number.

It is an amenable number.

1730227545373 is a deficient number, since it is larger than the sum of its proper divisors (12262847).

1730227545373 is a wasteful number, since it uses less digits than its factorization.

1730227545373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262846.

The product of its (nonzero) digits is 3704400, while the sum is 49.

The spelling of 1730227545373 in words is "one trillion, seven hundred thirty billion, two hundred twenty-seven million, five hundred forty-five thousand, three hundred seventy-three".