70163868 has 12 divisors (see below), whose sum is σ = 163715720. Its totient is φ = 23387952.

The previous prime is 70163867. The next prime is 70163893. The reversal of 70163868 is 86836107.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70163867) 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, 2923483 + ... + 2923506.

Almost surely, 2^70163868 is an apocalyptic number.

It is an amenable number.

70163868 is an abundant number, since it is smaller than the sum of its proper divisors (93551852).

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

70163868 is a wasteful number, since it uses less digits than its factorization.

70163868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846996 (or 5846994 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 70163868 is about 8376.3875268519. The cubic root of 70163868 is about 412.4498730640.

The spelling of 70163868 in words is "seventy million, one hundred sixty-three thousand, eight hundred sixty-eight".