75475727 has 8 divisors (see below), whose sum is σ = 76922160. Its totient is φ = 74036160.

The previous prime is 75475721. The next prime is 75475739. The reversal of 75475727 is 72757457.

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

It is a cyclic number.

It is not a de Polignac number, because 75475727 - 2⁶ = 75475663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75475721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24083 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (9615270).

Almost surely, 2^75475727 is an apocalyptic number.

75475727 is a deficient number, since it is larger than the sum of its proper divisors (1446433).

75475727 is a wasteful number, since it uses less digits than its factorization.

75475727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its digits is 480200, while the sum is 44.

The square root of 75475727 is about 8687.6767320153. The cubic root of 75475727 is about 422.6061066555.

The spelling of 75475727 in words is "seventy-five million, four hundred seventy-five thousand, seven hundred twenty-seven".