734561273 has 2 divisors, whose sum is σ = 734561274. Its totient is φ = 734561272.

The previous prime is 734561249. The next prime is 734561323. The reversal of 734561273 is 372165437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603046249 + 131515024 = 24557^2 + 11468^2 .

It is a cyclic number.

It is not a de Polignac number, because 734561273 - 2¹² = 734557177 is a prime.

It is not a weakly prime, because it can be changed into another prime (734561203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367280636 + 367280637.

It is an arithmetic number, because the mean of its divisors is an integer number (367280637).

Almost surely, 2^734561273 is an apocalyptic number.

It is an amenable number.

734561273 is a deficient number, since it is larger than the sum of its proper divisors (1).

734561273 is an equidigital number, since it uses as much as digits as its factorization.

734561273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 734561273 is about 27102.7908710524. The cubic root of 734561273 is about 902.2827946482.

The spelling of 734561273 in words is "seven hundred thirty-four million, five hundred sixty-one thousand, two hundred seventy-three".