127705682 has 8 divisors (see below), whose sum is σ = 206293836. Its totient is φ = 58941072.

The previous prime is 127705667. The next prime is 127705687. The reversal of 127705682 is 286507721.

It can be written as a sum of positive squares in 2 ways, for example, as 121198081 + 6507601 = 11009^2 + 2551^2 .

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

It is not an unprimeable number, because it can be changed into a prime (127705687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2455853 + ... + 2455904.

Almost surely, 2^127705682 is an apocalyptic number.

127705682 is a deficient number, since it is larger than the sum of its proper divisors (78588154).

127705682 is a wasteful number, since it uses less digits than its factorization.

127705682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911772.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 127705682 is about 11300.6938725018. The cubic root of 127705682 is about 503.5818553524.

The spelling of 127705682 in words is "one hundred twenty-seven million, seven hundred five thousand, six hundred eighty-two".