1727775138073 has 8 divisors (see below), whose sum is σ = 1790057625480. Its totient is φ = 1665672919680.

The previous prime is 1727775138059. The next prime is 1727775138083. The reversal of 1727775138073 is 3708315777271.

It can be written as a sum of positive squares in 4 ways, for example, as 807649108249 + 920126029824 = 898693^2 + 959232^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1727775138073 - 2³⁷ = 1590336184601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1727775137999 and 1727775138017.

It is not an unprimeable number, because it can be changed into a prime (1727775138013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45047740 + ... + 45086077.

It is an arithmetic number, because the mean of its divisors is an integer number (223757203185).

Almost surely, 2^{1727775138073} is an apocalyptic number.

It is an amenable number.

1727775138073 is a deficient number, since it is larger than the sum of its proper divisors (62282487407).

1727775138073 is an equidigital number, since it uses as much as digits as its factorization.

1727775138073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90134507.

The product of its (nonzero) digits is 12101040, while the sum is 58.

The spelling of 1727775138073 in words is "one trillion, seven hundred twenty-seven billion, seven hundred seventy-five million, one hundred thirty-eight thousand, seventy-three".