70205 has 8 divisors (see below), whose sum is σ = 88800. Its totient is φ = 53136.

The previous prime is 70201. The next prime is 70207. The reversal of 70205 is 50207.

70205 = 3² + 4² + ... + 59².

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 70205 - 2² = 70201 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 70205.

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 70205.

It is not an unprimeable number, because it can be changed into a prime (70201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 464.

It is an arithmetic number, because the mean of its divisors is an integer number (11100).

2⁷⁰²⁰⁵ is an apocalyptic number.

It is an amenable number.

70205 is a deficient number, since it is larger than the sum of its proper divisors (18595).

70205 is a wasteful number, since it uses less digits than its factorization.

70205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 70205 is about 264.9622614638. The cubic root of 70205 is about 41.2530453828.

The spelling of 70205 in words is "seventy thousand, two hundred five".