70864818 has 8 divisors (see below), whose sum is σ = 141729648. Its totient is φ = 23621604.

The previous prime is 70864811. The next prime is 70864837. The reversal of 70864818 is 81846807.

It is a sphenic number, since it is the product of 3 distinct primes.

70864818 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 70864818.

It is not an unprimeable number, because it can be changed into a prime (70864811) 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, 5905396 + ... + 5905407.

It is an arithmetic number, because the mean of its divisors is an integer number (17716206).

Almost surely, 2^70864818 is an apocalyptic number.

70864818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70864818 is a wasteful number, since it uses less digits than its factorization.

70864818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810808.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 70864818 is about 8418.1243754176. The cubic root of 70864818 is about 413.8188079660.

The spelling of 70864818 in words is "seventy million, eight hundred sixty-four thousand, eight hundred eighteen".