70056011 has 4 divisors (see below), whose sum is σ = 70072800. Its totient is φ = 70039224.

The previous prime is 70055989. The next prime is 70056013. The reversal of 70056011 is 11065007.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11065007 = 1373 ⋅8059.

It is a cyclic number.

It is not a de Polignac number, because 70056011 - 2²² = 65861707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70056013) 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 3 ways as a sum of consecutive naturals, for example, 3245 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (17518200).

Almost surely, 2^70056011 is an apocalyptic number.

70056011 is a deficient number, since it is larger than the sum of its proper divisors (16789).

70056011 is an equidigital number, since it uses as much as digits as its factorization.

70056011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16788.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 70056011 is about 8369.9468934994. The cubic root of 70056011 is about 412.2384232045.

The spelling of 70056011 in words is "seventy million, fifty-six thousand, eleven".