75516568 has 8 divisors (see below), whose sum is σ = 141593580. Its totient is φ = 37758280.

The previous prime is 75516563. The next prime is 75516577. The reversal of 75516568 is 86561557.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75516563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719778 + ... + 4719793.

Almost surely, 2^75516568 is an apocalyptic number.

It is an amenable number.

75516568 is a deficient number, since it is larger than the sum of its proper divisors (66077012).

75516568 is a wasteful number, since it uses less digits than its factorization.

75516568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439577 (or 9439573 counting only the distinct ones).

The product of its digits is 252000, while the sum is 43.

The square root of 75516568 is about 8690.0269274612. The cubic root of 75516568 is about 422.6823189888.

The spelling of 75516568 in words is "seventy-five million, five hundred sixteen thousand, five hundred sixty-eight".