9725670 has 40 divisors (see below), whose sum is σ = 26153424. Its totient is φ = 2593296.

The previous prime is 9725647. The next prime is 9725671. The reversal of 9725670 is 765279.

9725670 is a `hidden beast` number, since 97 + 2 + 567 + 0 = 666.

9725670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725671) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5194 + ... + 6813.

Almost surely, 2^9725670 is an apocalyptic number.

9725670 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9725670 is an abundant number, since it is smaller than the sum of its proper divisors (16427754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9725670 is a wasteful number, since it uses less digits than its factorization.

9725670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026 (or 12017 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 9725670 is about 3118.6006477265. The cubic root of 9725670 is about 213.4550872917.

The spelling of 9725670 in words is "nine million, seven hundred twenty-five thousand, six hundred seventy".