734785726061 has 2 divisors, whose sum is σ = 734785726062. Its totient is φ = 734785726060.

The previous prime is 734785726057. The next prime is 734785726079. The reversal of 734785726061 is 160627587437.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529118034025 + 205667692036 = 727405^2 + 453506^2 .

It is a cyclic number.

It is not a de Polignac number, because 734785726061 - 2² = 734785726057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 734785725988 and 734785726006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734785726001) by changing a digit.

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 as a sum of consecutive naturals, namely, 367392863030 + 367392863031.

It is an arithmetic number, because the mean of its divisors is an integer number (367392863031).

Almost surely, 2^734785726061 is an apocalyptic number.

It is an amenable number.

734785726061 is a deficient number, since it is larger than the sum of its proper divisors (1).

734785726061 is an equidigital number, since it uses as much as digits as its factorization.

734785726061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 734785726061 in words is "seven hundred thirty-four billion, seven hundred eighty-five million, seven hundred twenty-six thousand, sixty-one".