1331760073 has 12 divisors (see below), whose sum is σ = 1586977812. Its totient is φ = 1113665280.

The previous prime is 1331760071. The next prime is 1331760109. The reversal of 1331760073 is 3700671331.

It can be written as a sum of positive squares in 2 ways, for example, as 173923344 + 1157836729 = 13188^2 + 34027^2 .

It is not a de Polignac number, because 1331760073 - 2¹ = 1331760071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331760071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329440 + ... + 333457.

It is an arithmetic number, because the mean of its divisors is an integer number (132248151).

Almost surely, 2^1331760073 is an apocalyptic number.

It is an amenable number.

1331760073 is a deficient number, since it is larger than the sum of its proper divisors (255217739).

1331760073 is an equidigital number, since it uses as much as digits as its factorization.

1331760073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662952 (or 662945 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 1331760073 is about 36493.2880541066. The cubic root of 1331760073 is about 1100.2093466570.

The spelling of 1331760073 in words is "one billion, three hundred thirty-one million, seven hundred sixty thousand, seventy-three".