70286512 has 20 divisors (see below), whose sum is σ = 136781920. Its totient is φ = 34987968.

The previous prime is 70286509. The next prime is 70286519. The reversal of 70286512 is 21568207.

It is a super-2 number, since 2×70286512² = 9880387538252288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70286519) 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 3 ways as a sum of consecutive naturals, for example, 5928 + ... + 13255.

It is an arithmetic number, because the mean of its divisors is an integer number (6839096).

Almost surely, 2^70286512 is an apocalyptic number.

It is an amenable number.

70286512 is a deficient number, since it is larger than the sum of its proper divisors (66495408).

70286512 is a wasteful number, since it uses less digits than its factorization.

70286512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19420 (or 19414 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 70286512 is about 8383.7051474870. The cubic root of 70286512 is about 412.6900491876.

The spelling of 70286512 in words is "seventy million, two hundred eighty-six thousand, five hundred twelve".