70066851 has 24 divisors (see below), whose sum is σ = 101827584. Its totient is φ = 42804720.

The previous prime is 70066849. The next prime is 70066859. The reversal of 70066851 is 15866007.

It is not a de Polignac number, because 70066851 - 2¹ = 70066849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70066859) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 32530 + ... + 34616.

It is an arithmetic number, because the mean of its divisors is an integer number (4242816).

Almost surely, 2^70066851 is an apocalyptic number.

70066851 is a deficient number, since it is larger than the sum of its proper divisors (31760733).

70066851 is a wasteful number, since it uses less digits than its factorization.

70066851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 70066851 is about 8370.5944233370. The cubic root of 70066851 is about 412.2596844495.

The spelling of 70066851 in words is "seventy million, sixty-six thousand, eight hundred fifty-one".