127623680 has 40 divisors (see below), whose sum is σ = 306003852. Its totient is φ = 51048448.

The previous prime is 127623673. The next prime is 127623733. The reversal of 127623680 is 86326721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119421184 + 8202496 = 10928^2 + 2864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 127623680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22367 + ... + 27486.

Almost surely, 2^127623680 is an apocalyptic number.

127623680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127623680 is an abundant number, since it is smaller than the sum of its proper divisors (178380172).

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

127623680 is an frugal number, since it uses more digits than its factorization.

127623680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49876 (or 49860 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 127623680 is about 11297.0651055927. The cubic root of 127623680 is about 503.4740461030.

The spelling of 127623680 in words is "one hundred twenty-seven million, six hundred twenty-three thousand, six hundred eighty".