9190725 has 48 divisors (see below), whose sum is σ = 16189440. Its totient is φ = 4593600.

The previous prime is 9190723. The next prime is 9190751. The reversal of 9190725 is 5270919.

It is not a de Polignac number, because 9190725 - 2¹ = 9190723 is a prime.

9190725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9190721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137142 + ... + 137208.

It is an arithmetic number, because the mean of its divisors is an integer number (337280).

Almost surely, 2^9190725 is an apocalyptic number.

It is an amenable number.

9190725 is a deficient number, since it is larger than the sum of its proper divisors (6998715).

9190725 is a wasteful number, since it uses less digits than its factorization.

9190725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 9190725 is about 3031.6208536029. The cubic root of 9190725 is about 209.4674715912.

The spelling of 9190725 in words is "nine million, one hundred ninety thousand, seven hundred twenty-five".