682027405 has 8 divisors (see below), whose sum is σ = 819106200. Its totient is φ = 545173056.

The previous prime is 682027399. The next prime is 682027427. The reversal of 682027405 is 504720286.

682027405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 495240516 + 186786889 = 22254^2 + 13667^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 682027405 - 2⁷ = 682027277 is a prime.

It is a super-2 number, since 2×682027405² = 930322762342068050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49350 + ... + 61639.

It is an arithmetic number, because the mean of its divisors is an integer number (102388275).

Almost surely, 2^682027405 is an apocalyptic number.

It is an amenable number.

682027405 is a deficient number, since it is larger than the sum of its proper divisors (137078795).

682027405 is a wasteful number, since it uses less digits than its factorization.

682027405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112223.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 682027405 is about 26115.6544049733. The cubic root of 682027405 is about 880.2390040383.

It can be divided in two parts, 6820 and 27405, that added together give a square (34225 = 185²).

The spelling of 682027405 in words is "six hundred eighty-two million, twenty-seven thousand, four hundred five".