70273 has 4 divisors (see below), whose sum is σ = 80320. Its totient is φ = 60228.

The previous prime is 70271. The next prime is 70289. The reversal of 70273 is 37207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37207 = 29 ⋅1283.

It is not a de Polignac number, because 70273 - 2¹ = 70271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5013 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (20080).

2⁷⁰²⁷³ is an apocalyptic number.

It is an amenable number.

70273 is a deficient number, since it is larger than the sum of its proper divisors (10047).

70273 is a wasteful number, since it uses less digits than its factorization.

70273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 70273 is about 265.0905505672. The cubic root of 70273 is about 41.2663602078.

It can be divided in two parts, 70 and 273, that multiplied together give a triangular number (19110 = T₁₉₅).

The spelling of 70273 in words is "seventy thousand, two hundred seventy-three", and thus it is an iban number.