70063857 has 12 divisors (see below), whose sum is σ = 102919440. Its totient is φ = 45917208.

The previous prime is 70063841. The next prime is 70063859. The reversal of 70063857 is 75836007.

It is not a de Polignac number, because 70063857 - 2⁴ = 70063841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70063859) 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 11 ways as a sum of consecutive naturals, for example, 65443 + ... + 66504.

It is an arithmetic number, because the mean of its divisors is an integer number (8576620).

Almost surely, 2^70063857 is an apocalyptic number.

It is an amenable number.

70063857 is a deficient number, since it is larger than the sum of its proper divisors (32855583).

70063857 is a wasteful number, since it uses less digits than its factorization.

70063857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132012 (or 132009 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70063857 is about 8370.4155810808. The cubic root of 70063857 is about 412.2538123285.

The spelling of 70063857 in words is "seventy million, sixty-three thousand, eight hundred fifty-seven".