127730070 has 48 divisors (see below), whose sum is σ = 357647472. Its totient is φ = 31440960.

The previous prime is 127730059. The next prime is 127730107. The reversal of 127730070 is 70037721.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 53416 + ... + 55755.

It is an arithmetic number, because the mean of its divisors is an integer number (7450989).

Almost surely, 2^127730070 is an apocalyptic number.

127730070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127730070 is an abundant number, since it is smaller than the sum of its proper divisors (229917402).

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

127730070 is a wasteful number, since it uses less digits than its factorization.

127730070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109197 (or 109194 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 127730070 is about 11301.7728697758. The cubic root of 127730070 is about 503.6139097146.

Adding to 127730070 its reverse (70037721), we get a palindrome (197767791).

The spelling of 127730070 in words is "one hundred twenty-seven million, seven hundred thirty thousand, seventy".