75535989 has 8 divisors (see below), whose sum is σ = 102421920. Its totient is φ = 49503696.

The previous prime is 75535987. The next prime is 75536017. The reversal of 75535989 is 98953557.

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

It is not a de Polignac number, because 75535989 - 2¹ = 75535987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75535987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 213202 + ... + 213555.

It is an arithmetic number, because the mean of its divisors is an integer number (12802740).

Almost surely, 2^75535989 is an apocalyptic number.

It is an amenable number.

75535989 is a deficient number, since it is larger than the sum of its proper divisors (26885931).

75535989 is a wasteful number, since it uses less digits than its factorization.

75535989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426819.

The product of its digits is 1701000, while the sum is 51.

The square root of 75535989 is about 8691.1442859959. The cubic root of 75535989 is about 422.7185503745.

The spelling of 75535989 in words is "seventy-five million, five hundred thirty-five thousand, nine hundred eighty-nine".