755850728 has 8 divisors (see below), whose sum is σ = 1417220130. Its totient is φ = 377925360.

The previous prime is 755850721. The next prime is 755850737. The reversal of 755850728 is 827058557.

It can be written as a sum of positive squares in only one way, i.e., 748679044 + 7171684 = 27362^2 + 2678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (755850721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47240663 + ... + 47240678.

Almost surely, 2^755850728 is an apocalyptic number.

It is an amenable number.

755850728 is a deficient number, since it is larger than the sum of its proper divisors (661369402).

755850728 is a wasteful number, since it uses less digits than its factorization.

755850728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94481347 (or 94481343 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 47.

The square root of 755850728 is about 27492.7395506523. The cubic root of 755850728 is about 910.9167302472.

The spelling of 755850728 in words is "seven hundred fifty-five million, eight hundred fifty thousand, seven hundred twenty-eight".