70220806 has 8 divisors (see below), whose sum is σ = 107780904. Its totient is φ = 34293840.

The previous prime is 70220767. The next prime is 70220819. The reversal of 70220806 is 60802207.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408175 + ... + 408346.

It is an arithmetic number, because the mean of its divisors is an integer number (13472613).

Almost surely, 2^70220806 is an apocalyptic number.

70220806 is a deficient number, since it is larger than the sum of its proper divisors (37560098).

70220806 is a wasteful number, since it uses less digits than its factorization.

70220806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816566.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70220806 is about 8379.7855581154. The cubic root of 70220806 is about 412.5614106306.

The spelling of 70220806 in words is "seventy million, two hundred twenty thousand, eight hundred six".