70308612 has 72 divisors (see below), whose sum is σ = 198438240. Its totient is φ = 20805120.

The previous prime is 70308611. The next prime is 70308613. The reversal of 70308612 is 21680307.

It is an interprime number because it is at equal distance from previous prime (70308611) and next prime (70308613).

It is not an unprimeable number, because it can be changed into a prime (70308611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14964 + ... + 19092.

Almost surely, 2^70308612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70308612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99219120).

70308612 is an abundant number, since it is smaller than the sum of its proper divisors (128129628).

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

70308612 is a wasteful number, since it uses less digits than its factorization.

70308612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193 (or 4188 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70308612 is about 8385.0230768913. The cubic root of 70308612 is about 412.7332983312.

Adding to 70308612 its reverse (21680307), we get a palindrome (91988919).

The spelling of 70308612 in words is "seventy million, three hundred eight thousand, six hundred twelve".