9725134 has 16 divisors (see below), whose sum is σ = 15146496. Its totient is φ = 4678200.

The previous prime is 9725087. The next prime is 9725141. The reversal of 9725134 is 4315279.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 9725096 and 9725105.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13729 + ... + 14419.

It is an arithmetic number, because the mean of its divisors is an integer number (946656).

Almost surely, 2^9725134 is an apocalyptic number.

9725134 is a deficient number, since it is larger than the sum of its proper divisors (5421362).

9725134 is a wasteful number, since it uses less digits than its factorization.

9725134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its digits is 7560, while the sum is 31.

The square root of 9725134 is about 3118.5147105633. The cubic root of 9725134 is about 213.4511659156.

The spelling of 9725134 in words is "nine million, seven hundred twenty-five thousand, one hundred thirty-four".