682765605 has 24 divisors (see below), whose sum is σ = 1227294432. Its totient is φ = 364141008.

The previous prime is 682765597. The next prime is 682765613. The reversal of 682765605 is 506567286.

682765605 is a `hidden beast` number, since 6 + 82 + 7 + 6 + 560 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (682765597) and next prime (682765613).

It is not a de Polignac number, because 682765605 - 2³ = 682765597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 279759 + ... + 282188.

It is an arithmetic number, because the mean of its divisors is an integer number (51137268).

Almost surely, 2^682765605 is an apocalyptic number.

It is an amenable number.

682765605 is a deficient number, since it is larger than the sum of its proper divisors (544528827).

682765605 is an equidigital number, since it uses as much as digits as its factorization.

682765605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561967 (or 561955 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 682765605 is about 26129.7838682221. The cubic root of 682765605 is about 880.5564683768.

The spelling of 682765605 in words is "six hundred eighty-two million, seven hundred sixty-five thousand, six hundred five".