70211868 has 12 divisors (see below), whose sum is σ = 163827720. Its totient is φ = 23403952.

The previous prime is 70211863. The next prime is 70211881. The reversal of 70211868 is 86811207.

It is a happy number.

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 (70211861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2925483 + ... + 2925506.

It is an arithmetic number, because the mean of its divisors is an integer number (13652310).

Almost surely, 2^70211868 is an apocalyptic number.

It is an amenable number.

70211868 is an abundant number, since it is smaller than the sum of its proper divisors (93615852).

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

70211868 is a wasteful number, since it uses less digits than its factorization.

70211868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850996 (or 5850994 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 70211868 is about 8379.2522339407. The cubic root of 70211868 is about 412.5439057031.

The spelling of 70211868 in words is "seventy million, two hundred eleven thousand, eight hundred sixty-eight".