9742825 has 6 divisors (see below), whose sum is σ = 12081134. Its totient is φ = 7794240.

The previous prime is 9742813. The next prime is 9742829. The reversal of 9742825 is 5282479.

9742825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 157609 + 9585216 = 397^2 + 3096^2 .

It is not a de Polignac number, because 9742825 - 2⁵ = 9742793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9742829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194832 + ... + 194881.

Almost surely, 2^9742825 is an apocalyptic number.

It is an amenable number.

9742825 is a deficient number, since it is larger than the sum of its proper divisors (2338309).

9742825 is a wasteful number, since it uses less digits than its factorization.

9742825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389723 (or 389718 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 9742825 is about 3121.3498682461. The cubic root of 9742825 is about 213.5805172488.

The spelling of 9742825 in words is "nine million, seven hundred forty-two thousand, eight hundred twenty-five".