70240 has 24 divisors (see below), whose sum is σ = 166320. Its totient is φ = 28032.

The previous prime is 70237. The next prime is 70241. The reversal of 70240 is 4207.

It is a self number, because there is not a number n which added to its sum of digits gives 70240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70241) 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, 60 + ... + 379.

It is an arithmetic number, because the mean of its divisors is an integer number (6930).

2⁷⁰²⁴⁰ is an apocalyptic number.

It is an amenable number.

70240 is an abundant number, since it is smaller than the sum of its proper divisors (96080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83160).

70240 is a wasteful number, since it uses less digits than its factorization.

70240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 70240 is about 265.0283003756. The cubic root of 70240 is about 41.2598996748.

Adding to 70240 its reverse (4207), we get a palindrome (74447).

The spelling of 70240 in words is "seventy thousand, two hundred forty", and thus it is an iban number.