70217612 has 12 divisors (see below), whose sum is σ = 123199440. Its totient is φ = 35017776.

The previous prime is 70217549. The next prime is 70217617. The reversal of 70217612 is 21671207.

It is not an unprimeable number, because it can be changed into a prime (70217617) 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, 21008 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (10266620).

Almost surely, 2^70217612 is an apocalyptic number.

It is an amenable number.

70217612 is a deficient number, since it is larger than the sum of its proper divisors (52981828).

70217612 is a wasteful number, since it uses less digits than its factorization.

70217612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45520 (or 45518 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70217612 is about 8379.5949782791. The cubic root of 70217612 is about 412.5551554041. Note that the first 3 decimals are identical.

Adding to 70217612 its reverse (21671207), we get a palindrome (91888819).

The spelling of 70217612 in words is "seventy million, two hundred seventeen thousand, six hundred twelve".