734767661 has 4 divisors (see below), whose sum is σ = 739633824. Its totient is φ = 729901500.

The previous prime is 734767633. The next prime is 734767669. The reversal of 734767661 is 166767437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 734767661 - 2¹⁸ = 734505517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734767669) 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 in 3 ways as a sum of consecutive naturals, for example, 2432855 + ... + 2433156.

It is an arithmetic number, because the mean of its divisors is an integer number (184908456).

Almost surely, 2^734767661 is an apocalyptic number.

It is an amenable number.

734767661 is a deficient number, since it is larger than the sum of its proper divisors (4866163).

734767661 is a wasteful number, since it uses less digits than its factorization.

734767661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866162.

The product of its digits is 889056, while the sum is 47.

The square root of 734767661 is about 27106.5981082097. The cubic root of 734767661 is about 902.3672908459.

The spelling of 734767661 in words is "seven hundred thirty-four million, seven hundred sixty-seven thousand, six hundred sixty-one".