9927725 has 12 divisors (see below), whose sum is σ = 12496224. Its totient is φ = 7822320.

The previous prime is 9927707. The next prime is 9927733. The reversal of 9927725 is 5277299.

It is a happy number.

It is not a de Polignac number, because 9927725 - 2¹² = 9923629 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289 + ... + 4638.

It is an arithmetic number, because the mean of its divisors is an integer number (1041352).

Almost surely, 2^9927725 is an apocalyptic number.

It is an amenable number.

9927725 is a deficient number, since it is larger than the sum of its proper divisors (2568499).

9927725 is a wasteful number, since it uses less digits than its factorization.

9927725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004 (or 5999 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 9927725 is about 3150.8292559261. The cubic root of 9927725 is about 214.9231742819.

The spelling of 9927725 in words is "nine million, nine hundred twenty-seven thousand, seven hundred twenty-five".