755855712 has 120 divisors (see below), whose sum is σ = 2232197352. Its totient is φ = 250905600.

The previous prime is 755855699. The next prime is 755855731. The reversal of 755855712 is 217558557.

755855712 is a `hidden beast` number, since 7 + 5 + 585 + 57 + 12 = 666.

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 19 ways as a sum of consecutive naturals, for example, 857512 + ... + 858392.

Almost surely, 2^755855712 is an apocalyptic number.

755855712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755855712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116098676).

755855712 is an abundant number, since it is smaller than the sum of its proper divisors (1476341640).

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

755855712 is a wasteful number, since it uses less digits than its factorization.

755855712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1217 counting only the distinct ones).

The product of its digits is 490000, while the sum is 45.

The square root of 755855712 is about 27492.8301926157. The cubic root of 755855712 is about 910.9187324057.

The spelling of 755855712 in words is "seven hundred fifty-five million, eight hundred fifty-five thousand, seven hundred twelve".