7725965 has 8 divisors (see below), whose sum is σ = 9984408. Its totient is φ = 5705280.

The previous prime is 7725959. The next prime is 7725967. The reversal of 7725965 is 5695277.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 7678441 = 218^2 + 2771^2 .

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

It is not a de Polignac number, because 7725965 - 2⁸ = 7725709 is a prime.

It is a d-powerful number, because it can be written as 7² + 7⁸ + 2⁷ + 5 + 9² + 6⁵ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59366 + ... + 59495.

It is an arithmetic number, because the mean of its divisors is an integer number (1248051).

Almost surely, 2^7725965 is an apocalyptic number.

It is an amenable number.

7725965 is a deficient number, since it is larger than the sum of its proper divisors (2258443).

7725965 is a wasteful number, since it uses less digits than its factorization.

7725965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118879.

The product of its digits is 132300, while the sum is 41.

The square root of 7725965 is about 2779.5620158579. The cubic root of 7725965 is about 197.6897924531.

The spelling of 7725965 in words is "seven million, seven hundred twenty-five thousand, nine hundred sixty-five".