70210240 has 28 divisors (see below), whose sum is σ = 167188896. Its totient is φ = 28083968.

The previous prime is 70210229. The next prime is 70210241. The reversal of 70210240 is 4201207.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (70210241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109384 + ... + 110023.

It is an arithmetic number, because the mean of its divisors is an integer number (5971032).

Almost surely, 2^70210240 is an apocalyptic number.

It is an amenable number.

70210240 is an abundant number, since it is smaller than the sum of its proper divisors (96978656).

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

70210240 is a wasteful number, since it uses less digits than its factorization.

70210240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219424 (or 219414 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70210240 is about 8379.1550886709. The cubic root of 70210240 is about 412.5407171317.

Adding to 70210240 its reverse (4201207), we get a palindrome (74411447).

The spelling of 70210240 in words is "seventy million, two hundred ten thousand, two hundred forty".