9725772 has 24 divisors (see below), whose sum is σ = 25935616. Its totient is φ = 2778768.

The previous prime is 9725753. The next prime is 9725801. The reversal of 9725772 is 2775279.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9725772.

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, 57808 + ... + 57975.

Almost surely, 2^9725772 is an apocalyptic number.

It is an amenable number.

9725772 is an abundant number, since it is smaller than the sum of its proper divisors (16209844).

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

9725772 is a wasteful number, since it uses less digits than its factorization.

9725772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115797 (or 115795 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 9725772 is about 3118.6170011722. The cubic root of 9725772 is about 213.4558335074.

The spelling of 9725772 in words is "nine million, seven hundred twenty-five thousand, seven hundred seventy-two".