682165747 has 4 divisors (see below), whose sum is σ = 682296520. Its totient is φ = 682034976.

The previous prime is 682165733. The next prime is 682165777. The reversal of 682165747 is 747561286.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747561286 = 2 ⋅373780643.

It is a cyclic number.

It is not a de Polignac number, because 682165747 - 2²⁷ = 547948019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 682165697 and 682165706.

It is not an unprimeable number, because it can be changed into a prime (682165777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57222 + ... + 68107.

It is an arithmetic number, because the mean of its divisors is an integer number (170574130).

Almost surely, 2^682165747 is an apocalyptic number.

682165747 is a deficient number, since it is larger than the sum of its proper divisors (130773).

682165747 is a wasteful number, since it uses less digits than its factorization.

682165747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130772.

The product of its digits is 564480, while the sum is 46.

The square root of 682165747 is about 26118.3029119428. The cubic root of 682165747 is about 880.2985157191.

The spelling of 682165747 in words is "six hundred eighty-two million, one hundred sixty-five thousand, seven hundred forty-seven".