75705768 has 24 divisors (see below), whose sum is σ = 205036650. Its totient is φ = 25235232.

The previous prime is 75705739. The next prime is 75705781. The reversal of 75705768 is 86750757.

75705768 is a `hidden beast` number, since 7 + 5 + 70 + 576 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62441604 + 13264164 = 7902^2 + 3642^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 525663 + ... + 525806.

Almost surely, 2^75705768 is an apocalyptic number.

It is an amenable number.

75705768 is an abundant number, since it is smaller than the sum of its proper divisors (129330882).

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

75705768 is a wasteful number, since it uses less digits than its factorization.

75705768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051481 (or 1051474 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 75705768 is about 8700.9061597054. The cubic root of 75705768 is about 423.0350221661.

The spelling of 75705768 in words is "seventy-five million, seven hundred five thousand, seven hundred sixty-eight".