7725697 has 8 divisors (see below), whose sum is σ = 8908416. Its totient is φ = 6562752.

The previous prime is 7725689. The next prime is 7725709. The reversal of 7725697 is 7965277.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7725697 - 2³ = 7725689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7725797) by changing a digit.

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, 4093 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (1113552).

Almost surely, 2^7725697 is an apocalyptic number.

It is an amenable number.

7725697 is a deficient number, since it is larger than the sum of its proper divisors (1182719).

7725697 is a wasteful number, since it uses less digits than its factorization.

7725697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9887.

The product of its digits is 185220, while the sum is 43.

The square root of 7725697 is about 2779.5138064057. The cubic root of 7725697 is about 197.6875065907.

The spelling of 7725697 in words is "seven million, seven hundred twenty-five thousand, six hundred ninety-seven".