734881161 has 32 divisors (see below), whose sum is σ = 1160769280. Its totient is φ = 404787456.

The previous prime is 734881159. The next prime is 734881193. The reversal of 734881161 is 161188437.

It is not a de Polignac number, because 734881161 - 2¹ = 734881159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734881061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80355 + ... + 89031.

It is an arithmetic number, because the mean of its divisors is an integer number (36274040).

Almost surely, 2^734881161 is an apocalyptic number.

It is an amenable number.

734881161 is a deficient number, since it is larger than the sum of its proper divisors (425888119).

734881161 is a wasteful number, since it uses less digits than its factorization.

734881161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833.

The product of its digits is 32256, while the sum is 39.

The square root of 734881161 is about 27108.6916135766. The cubic root of 734881161 is about 902.4137515254.

The spelling of 734881161 in words is "seven hundred thirty-four million, eight hundred eighty-one thousand, one hundred sixty-one".