70343808 has 64 divisors (see below), whose sum is σ = 191939520. Its totient is φ = 22809600.

The previous prime is 70343783. The next prime is 70343809. The reversal of 70343808 is 80834307.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (70343809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11733 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (2999055).

Almost surely, 2^70343808 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 70343808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95969760).

70343808 is an abundant number, since it is smaller than the sum of its proper divisors (121595712).

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

70343808 is a wasteful number, since it uses less digits than its factorization.

70343808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 70343808 is about 8387.1215562909. The cubic root of 70343808 is about 412.8021573110.

The spelling of 70343808 in words is "seventy million, three hundred forty-three thousand, eight hundred eight".