70055806 has 4 divisors (see below), whose sum is σ = 105083712. Its totient is φ = 35027902.

The previous prime is 70055747. The next prime is 70055807. The reversal of 70055806 is 60855007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60855007 = 811 ⋅75037.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70055807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17513950 + ... + 17513953.

It is an arithmetic number, because the mean of its divisors is an integer number (26270928).

Almost surely, 2^70055806 is an apocalyptic number.

70055806 is a deficient number, since it is larger than the sum of its proper divisors (35027906).

70055806 is a wasteful number, since it uses less digits than its factorization.

70055806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35027905.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 70055806 is about 8369.9346472956. The cubic root of 70055806 is about 412.2380211026.

The spelling of 70055806 in words is "seventy million, fifty-five thousand, eight hundred six".