70445 has 8 divisors (see below), whose sum is σ = 86136. Its totient is φ = 55296.

The previous prime is 70439. The next prime is 70451. The reversal of 70445 is 54407.

It is an interprime number because it is at equal distance from previous prime (70439) and next prime (70451).

It can be written as a sum of positive squares in 4 ways, for example, as 3364 + 67081 = 58^2 + 259^2 .

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 70445 - 2⁴ = 70429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 461.

It is an arithmetic number, because the mean of its divisors is an integer number (10767).

2⁷⁰⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

70445 is a deficient number, since it is larger than the sum of its proper divisors (15691).

70445 is a wasteful number, since it uses less digits than its factorization.

70445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 70445 is about 265.4147697473. The cubic root of 70445 is about 41.3000005863.

It can be divided in two parts, 70 and 445, that added together give a palindrome (515).

The spelling of 70445 in words is "seventy thousand, four hundred forty-five".