1730230726541 has 4 divisors (see below), whose sum is σ = 1730260264572. Its totient is φ = 1730201188512.

The previous prime is 1730230726537. The next prime is 1730230726559. The reversal of 1730230726541 is 1456270320371.

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 1264171917316 + 466058809225 = 1124354^2 + 682685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730230726541 - 2² = 1730230726537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730230726841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14680976 + ... + 14798361.

It is an arithmetic number, because the mean of its divisors is an integer number (432565066143).

Almost surely, 2^{1730230726541} is an apocalyptic number.

It is an amenable number.

1730230726541 is a deficient number, since it is larger than the sum of its proper divisors (29538031).

1730230726541 is an equidigital number, since it uses as much as digits as its factorization.

1730230726541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538030.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 1730230726541 in words is "one trillion, seven hundred thirty billion, two hundred thirty million, seven hundred twenty-six thousand, five hundred forty-one".