734363561 has 2 divisors, whose sum is σ = 734363562. Its totient is φ = 734363560.

The previous prime is 734363533. The next prime is 734363611. The reversal of 734363561 is 165363437.

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., 501984025 + 232379536 = 22405^2 + 15244^2 .

It is a cyclic number.

It is not a de Polignac number, because 734363561 - 2¹⁰ = 734362537 is a prime.

It is a super-3 number, since 3×734363561³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (734363521) 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, 367181780 + 367181781.

It is an arithmetic number, because the mean of its divisors is an integer number (367181781).

Almost surely, 2^734363561 is an apocalyptic number.

It is an amenable number.

734363561 is a deficient number, since it is larger than the sum of its proper divisors (1).

734363561 is an equidigital number, since it uses as much as digits as its factorization.

734363561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 38.

The square root of 734363561 is about 27099.1431783368. The cubic root of 734363561 is about 902.2018356005.

It can be divided in two parts, 73 and 4363561, that added together give a palindrome (4363634).

The spelling of 734363561 in words is "seven hundred thirty-four million, three hundred sixty-three thousand, five hundred sixty-one".