75057566 has 8 divisors (see below), whose sum is σ = 112901040. Its totient is φ = 37423888.

The previous prime is 75057547. The next prime is 75057569. The reversal of 75057566 is 66575057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75057569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51551 + ... + 52986.

It is an arithmetic number, because the mean of its divisors is an integer number (14112630).

Almost surely, 2^75057566 is an apocalyptic number.

75057566 is a deficient number, since it is larger than the sum of its proper divisors (37843474).

75057566 is a wasteful number, since it uses less digits than its factorization.

75057566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104898.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 75057566 is about 8663.5769748990. The cubic root of 75057566 is about 421.8242007128.

The spelling of 75057566 in words is "seventy-five million, fifty-seven thousand, five hundred sixty-six".