724471161 has 8 divisors (see below), whose sum is σ = 966124704. Its totient is φ = 482899200.

The previous prime is 724471157. The next prime is 724471171. The reversal of 724471161 is 161174427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 724471161 - 2² = 724471157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (724471171) 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 7 ways as a sum of consecutive naturals, for example, 4761 + ... + 38361.

It is an arithmetic number, because the mean of its divisors is an integer number (120765588).

Almost surely, 2^724471161 is an apocalyptic number.

It is an amenable number.

724471161 is a deficient number, since it is larger than the sum of its proper divisors (241653543).

724471161 is a wasteful number, since it uses less digits than its factorization.

724471161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40791.

The product of its digits is 9408, while the sum is 33.

The square root of 724471161 is about 26916.0019505126. The cubic root of 724471161 is about 898.1324074811.

The spelling of 724471161 in words is "seven hundred twenty-four million, four hundred seventy-one thousand, one hundred sixty-one".