755661080 has 16 divisors (see below), whose sum is σ = 1700237520. Its totient is φ = 302264416.

The previous prime is 755661061. The next prime is 755661089. The reversal of 755661080 is 80166557.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755661089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9445724 + ... + 9445803.

It is an arithmetic number, because the mean of its divisors is an integer number (106264845).

Almost surely, 2^755661080 is an apocalyptic number.

It is an amenable number.

755661080 is an abundant number, since it is smaller than the sum of its proper divisors (944576440).

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

755661080 is a wasteful number, since it uses less digits than its factorization.

755661080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18891538 (or 18891534 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 755661080 is about 27489.2902782156. The cubic root of 755661080 is about 910.8405388423.

The spelling of 755661080 in words is "seven hundred fifty-five million, six hundred sixty-one thousand, eighty".