731047225 has 24 divisors (see below), whose sum is σ = 941904000. Its totient is φ = 562175040.

The previous prime is 731047181. The next prime is 731047237. The reversal of 731047225 is 522740137.

It is not a de Polignac number, because 731047225 - 2¹¹ = 731045177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171166 + ... + 175384.

It is an arithmetic number, because the mean of its divisors is an integer number (39246000).

Almost surely, 2^731047225 is an apocalyptic number.

It is an amenable number.

731047225 is a deficient number, since it is larger than the sum of its proper divisors (210856775).

731047225 is a wasteful number, since it uses less digits than its factorization.

731047225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4492 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 731047225 is about 27037.8849949474. The cubic root of 731047225 is about 900.8416920169.

The spelling of 731047225 in words is "seven hundred thirty-one million, forty-seven thousand, two hundred twenty-five".