70069 has 4 divisors (see below), whose sum is σ = 71820. Its totient is φ = 68320.

The previous prime is 70067. The next prime is 70079. The reversal of 70069 is 96007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7569 + 62500 = 87^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 70069 - 2¹ = 70067 is a prime.

It is a super-2 number, since 2×70069² = 9819329522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70061) 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, 814 + ... + 895.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2⁷⁰⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

70069 is a deficient number, since it is larger than the sum of its proper divisors (1751).

70069 is a wasteful number, since it uses less digits than its factorization.

70069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 70069 is about 264.7054967317. The cubic root of 70069 is about 41.2263899172.

The spelling of 70069 in words is "seventy thousand, sixty-nine".