70420886 has 8 divisors (see below), whose sum is σ = 107208120. Its totient is φ = 34684848.

The previous prime is 70420841. The next prime is 70420907. The reversal of 70420886 is 68802407.

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

It is a congruent number.

It is an unprimeable number.

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, 262631 + ... + 262898.

It is an arithmetic number, because the mean of its divisors is an integer number (13401015).

Almost surely, 2^70420886 is an apocalyptic number.

70420886 is a deficient number, since it is larger than the sum of its proper divisors (36787234).

70420886 is a wasteful number, since it uses less digits than its factorization.

70420886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525598.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 70420886 is about 8391.7153192896. The cubic root of 70420886 is about 412.9528758619.

The spelling of 70420886 in words is "seventy million, four hundred twenty thousand, eight hundred eighty-six".