7682945 has 4 divisors (see below), whose sum is σ = 9219540. Its totient is φ = 6146352.

The previous prime is 7682923. The next prime is 7682951. The reversal of 7682945 is 5492867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 6880129 = 896^2 + 2623^2 .

It is a cyclic number.

It is not a de Polignac number, because 7682945 - 2⁶ = 7682881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768290 + ... + 768299.

It is an arithmetic number, because the mean of its divisors is an integer number (2304885).

Almost surely, 2^7682945 is an apocalyptic number.

It is an amenable number.

7682945 is a deficient number, since it is larger than the sum of its proper divisors (1536595).

7682945 is a wasteful number, since it uses less digits than its factorization.

7682945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536594.

The product of its digits is 120960, while the sum is 41.

The square root of 7682945 is about 2771.8125838519. The cubic root of 7682945 is about 197.3221814547.

The spelling of 7682945 in words is "seven million, six hundred eighty-two thousand, nine hundred forty-five".