70055 has 4 divisors (see below), whose sum is σ = 84072. Its totient is φ = 56040.

The previous prime is 70051. The next prime is 70061. The reversal of 70055 is 55007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55007 = 67 ⋅821.

It is not a de Polignac number, because 70055 - 2² = 70051 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 70055.

It is not an unprimeable number, because it can be changed into a prime (70051) 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, 7001 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (21018).

2⁷⁰⁰⁵⁵ is an apocalyptic number.

70055 is a deficient number, since it is larger than the sum of its proper divisors (14017).

70055 is a wasteful number, since it uses less digits than its factorization.

70055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016.

The product of its (nonzero) digits is 175, while the sum is 17.

The square root of 70055 is about 264.6790509277. The cubic root of 70055 is about 41.2236440148.

The spelling of 70055 in words is "seventy thousand, fifty-five".