731346337 has 2 divisors, whose sum is σ = 731346338. Its totient is φ = 731346336.

The previous prime is 731346313. The next prime is 731346377. The reversal of 731346337 is 733643137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727057296 + 4289041 = 26964^2 + 2071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-731346337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731346296 and 731346305.

It is not a weakly prime, because it can be changed into another prime (731346377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365673168 + 365673169.

It is an arithmetic number, because the mean of its divisors is an integer number (365673169).

Almost surely, 2^731346337 is an apocalyptic number.

It is an amenable number.

731346337 is a deficient number, since it is larger than the sum of its proper divisors (1).

731346337 is an equidigital number, since it uses as much as digits as its factorization.

731346337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 37.

The square root of 731346337 is about 27043.4157790764. The cubic root of 731346337 is about 900.9645367114.

The spelling of 731346337 in words is "seven hundred thirty-one million, three hundred forty-six thousand, three hundred thirty-seven".