69975 has 18 divisors (see below), whose sum is σ = 125736. Its totient is φ = 37200.

The previous prime is 69959. The next prime is 69991. The reversal of 69975 is 57996.

It is an interprime number because it is at equal distance from previous prime (69959) and next prime (69991).

It is not a de Polignac number, because 69975 - 2⁴ = 69959 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69975.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 70 + ... + 380.

69975 is a Friedman number, since it can be written as 6^7/(9-5)-9, using all its digits and the basic arithmetic operations.

2⁶⁹⁹⁷⁵ is an apocalyptic number.

69975 is a deficient number, since it is larger than the sum of its proper divisors (55761).

69975 is a wasteful number, since it uses less digits than its factorization.

69975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 319 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 69975 is about 264.5278813282. The cubic root of 69975 is about 41.2079461219.

It can be divided in two parts, 699 and 75, that multiplied together give a palindrome (52425).

The spelling of 69975 in words is "sixty-nine thousand, nine hundred seventy-five".