9447725 has 12 divisors (see below), whose sum is σ = 13389024. Its totient is φ = 6478320.

The previous prime is 9447721. The next prime is 9447743. The reversal of 9447725 is 5277449.

It is not a de Polignac number, because 9447725 - 2² = 9447721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9447721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26819 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (1115752).

Almost surely, 2^9447725 is an apocalyptic number.

It is an amenable number.

9447725 is a deficient number, since it is larger than the sum of its proper divisors (3941299).

9447725 is a wasteful number, since it uses less digits than its factorization.

9447725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54004 (or 53999 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 9447725 is about 3073.7151787373. The cubic root of 9447725 is about 211.4019948811.

The spelling of 9447725 in words is "nine million, four hundred forty-seven thousand, seven hundred twenty-five".