731134707225 has 24 divisors (see below), whose sum is σ = 1301794721472. Its totient is φ = 359943240000.

The previous prime is 731134707221. The next prime is 731134707293. The reversal of 731134707225 is 522707431137.

It is not a de Polignac number, because 731134707225 - 2² = 731134707221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (731134707221) 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 23 ways as a sum of consecutive naturals, for example, 374939901 + ... + 374941850.

It is an arithmetic number, because the mean of its divisors is an integer number (54241446728).

Almost surely, 2^731134707225 is an apocalyptic number.

731134707225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

731134707225 is a deficient number, since it is larger than the sum of its proper divisors (570660014247).

731134707225 is a wasteful number, since it uses less digits than its factorization.

731134707225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749881777 (or 749881772 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 731134707225 in words is "seven hundred thirty-one billion, one hundred thirty-four million, seven hundred seven thousand, two hundred twenty-five".