127705746 has 16 divisors (see below), whose sum is σ = 291898944. Its totient is φ = 36487344.

The previous prime is 127705741. The next prime is 127705777. The reversal of 127705746 is 647507721.

It is a super-2 number, since 2×127705746² = 32617515122833032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127705741) 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 7 ways as a sum of consecutive naturals, for example, 1520265 + ... + 1520348.

It is an arithmetic number, because the mean of its divisors is an integer number (18243684).

Almost surely, 2^127705746 is an apocalyptic number.

127705746 is an abundant number, since it is smaller than the sum of its proper divisors (164193198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127705746 is a wasteful number, since it uses less digits than its factorization.

127705746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040625.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 127705746 is about 11300.6967041860. The cubic root of 127705746 is about 503.5819394761.

The spelling of 127705746 in words is "one hundred twenty-seven million, seven hundred five thousand, seven hundred forty-six".