127734528 has 72 divisors (see below), whose sum is σ = 345844800. Its totient is φ = 41841664.

The previous prime is 127734521. The next prime is 127734533. The reversal of 127734528 is 825437721.

It is a super-2 number, since 2×127734528² = 32632219286765568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (127734521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43903 + ... + 46721.

It is an arithmetic number, because the mean of its divisors is an integer number (4803400).

Almost surely, 2^127734528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127734528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172922400).

127734528 is an abundant number, since it is smaller than the sum of its proper divisors (218110272).

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

127734528 is an equidigital number, since it uses as much as digits as its factorization.

127734528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2883 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 127734528 is about 11301.9700937491. The cubic root of 127734528 is about 503.6197686448.

The spelling of 127734528 in words is "one hundred twenty-seven million, seven hundred thirty-four thousand, five hundred twenty-eight".