1740328216225 has 9 divisors (see below), whose sum is σ = 2158015167283. Its totient is φ = 1392257296120.

The previous prime is 1740328216217. The next prime is 1740328216243. The reversal of 1740328216225 is 5226128230471.

The square root of 1740328216225 is 1319215.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 626518157841 + 1113810058384 = 791529^2 + 1055372^2 .

It is not a de Polignac number, because 1740328216225 - 2³ = 1740328216217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6464154 + ... + 6727996.

Almost surely, 2^{1740328216225} is an apocalyptic number.

1740328216225 is the 1319215-th square number.

1740328216225 is the 659608-th centered octagonal number.

It is an amenable number.

1740328216225 is a deficient number, since it is larger than the sum of its proper divisors (417686951058).

1740328216225 is an frugal number, since it uses more digits than its factorization.

1740328216225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527696 (or 263848 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 1740328216225 in words is "one trillion, seven hundred forty billion, three hundred twenty-eight million, two hundred sixteen thousand, two hundred twenty-five".