736968161 has 4 divisors (see below), whose sum is σ = 741381312. Its totient is φ = 732555012.

The previous prime is 736968137. The next prime is 736968163. The reversal of 736968161 is 161869637.

It is a happy number.

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 736968161 - 2¹⁸ = 736706017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736968163) 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 in 3 ways as a sum of consecutive naturals, for example, 2206325 + ... + 2206658.

It is an arithmetic number, because the mean of its divisors is an integer number (185345328).

Almost surely, 2^736968161 is an apocalyptic number.

It is an amenable number.

736968161 is a deficient number, since it is larger than the sum of its proper divisors (4413151).

736968161 is a wasteful number, since it uses less digits than its factorization.

736968161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413150.

The product of its digits is 326592, while the sum is 47.

The square root of 736968161 is about 27147.1575123437. The cubic root of 736968161 is about 903.2672035606.

The spelling of 736968161 in words is "seven hundred thirty-six million, nine hundred sixty-eight thousand, one hundred sixty-one".