7682405 has 8 divisors (see below), whose sum is σ = 9233784. Its totient is φ = 6136000.

The previous prime is 7682399. The next prime is 7682417. The reversal of 7682405 is 5042867.

It can be written as a sum of positive squares in 4 ways, for example, as 289444 + 7392961 = 538^2 + 2719^2 .

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

It is not a de Polignac number, because 7682405 - 2⁶ = 7682341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 6555.

It is an arithmetic number, because the mean of its divisors is an integer number (1154223).

Almost surely, 2^7682405 is an apocalyptic number.

It is an amenable number.

7682405 is a deficient number, since it is larger than the sum of its proper divisors (1551379).

7682405 is a wasteful number, since it uses less digits than its factorization.

7682405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 7682405 is about 2771.7151729570. The cubic root of 7682405 is about 197.3175583805.

The spelling of 7682405 in words is "seven million, six hundred eighty-two thousand, four hundred five".