1344736737 has 36 divisors (see below), whose sum is σ = 2111378724. Its totient is φ = 821399040.

The previous prime is 1344736717. The next prime is 1344736741. The reversal of 1344736737 is 7376374431.

It can be written as a sum of positive squares in 2 ways, for example, as 493906176 + 850830561 = 22224^2 + 29169^2 .

It is not a de Polignac number, because 1344736737 - 2¹⁹ = 1344212449 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1344736692 and 1344736701.

It is not an unprimeable number, because it can be changed into a prime (1344736717) 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 35 ways as a sum of consecutive naturals, for example, 2904168 + ... + 2904630.

It is an arithmetic number, because the mean of its divisors is an integer number (58649409).

Almost surely, 2^1344736737 is an apocalyptic number.

1344736737 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1344736737 is a deficient number, since it is larger than the sum of its proper divisors (766641987).

1344736737 is an equidigital number, since it uses as much as digits as its factorization.

1344736737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 524 counting only the distinct ones).

The product of its digits is 889056, while the sum is 45.

The square root of 1344736737 is about 36670.6522576297. The cubic root of 1344736737 is about 1103.7712806945.

The spelling of 1344736737 in words is "one billion, three hundred forty-four million, seven hundred thirty-six thousand, seven hundred thirty-seven".