682690245 has 8 divisors (see below), whose sum is σ = 1092304416. Its totient is φ = 364101456.

The previous prime is 682690241. The next prime is 682690313. The reversal of 682690245 is 542096286.

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

It is not a de Polignac number, because 682690245 - 2² = 682690241 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 682690197 and 682690206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682690241) 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, 22756327 + ... + 22756356.

It is an arithmetic number, because the mean of its divisors is an integer number (136538052).

Almost surely, 2^682690245 is an apocalyptic number.

It is an amenable number.

682690245 is a deficient number, since it is larger than the sum of its proper divisors (409614171).

682690245 is a wasteful number, since it uses less digits than its factorization.

682690245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45512691.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 682690245 is about 26128.3417958354. The cubic root of 682690245 is about 880.5240701538.

The spelling of 682690245 in words is "six hundred eighty-two million, six hundred ninety thousand, two hundred forty-five".