1730774306816 has 52 divisors (see below), whose sum is σ = 3554670320172. Its totient is φ = 841998237696.

The previous prime is 1730774306813. The next prime is 1730774306861. The reversal of 1730774306816 is 6186034770371.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1430645641216 + 300128665600 = 1196096^2 + 547840^2 .

It is a super-2 number, since 2×1730774306816² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1730774306813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5558615 + ... + 5861718.

Almost surely, 2^{1730774306816} is an apocalyptic number.

1730774306816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1730774306816 is an abundant number, since it is smaller than the sum of its proper divisors (1823896013356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1730774306816 is an equidigital number, since it uses as much as digits as its factorization.

1730774306816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11420394 (or 11420372 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 1730774306816 in words is "one trillion, seven hundred thirty billion, seven hundred seventy-four million, three hundred six thousand, eight hundred sixteen".