756642068 has 36 divisors (see below), whose sum is σ = 1638655200. Its totient is φ = 299329056.

The previous prime is 756642041. The next prime is 756642071. The reversal of 756642068 is 860246657.

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 11 ways as a sum of consecutive naturals, for example, 75218 + ... + 84681.

It is an arithmetic number, because the mean of its divisors is an integer number (45518200).

Almost surely, 2^756642068 is an apocalyptic number.

It is an amenable number.

756642068 is an abundant number, since it is smaller than the sum of its proper divisors (882013132).

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

756642068 is a wasteful number, since it uses less digits than its factorization.

756642068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159936 (or 159921 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 756642068 is about 27507.1275854096. The cubic root of 756642068 is about 911.2345149637.

The spelling of 756642068 in words is "seven hundred fifty-six million, six hundred forty-two thousand, sixty-eight".