70286868 has 18 divisors (see below), whose sum is σ = 177669674. Its totient is φ = 23428944.

The previous prime is 70286861. The next prime is 70286869. The reversal of 70286868 is 86868207.

It can be written as a sum of positive squares in only one way, i.e., 47361924 + 22924944 = 6882^2 + 4788^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70286861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 976171 + ... + 976242.

Almost surely, 2^70286868 is an apocalyptic number.

It is an amenable number.

70286868 is an abundant number, since it is smaller than the sum of its proper divisors (107382806).

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

70286868 is a wasteful number, since it uses less digits than its factorization.

70286868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952423 (or 1952418 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 70286868 is about 8383.7263791228. The cubic root of 70286868 is about 412.6907459425.

The spelling of 70286868 in words is "seventy million, two hundred eighty-six thousand, eight hundred sixty-eight".