70565066 has 16 divisors (see below), whose sum is σ = 124352928. Its totient is φ = 29607600.

The previous prime is 70565057. The next prime is 70565071. The reversal of 70565066 is 66056507.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 123080 + ... + 123651.

It is an arithmetic number, because the mean of its divisors is an integer number (7772058).

Almost surely, 2^70565066 is an apocalyptic number.

70565066 is a deficient number, since it is larger than the sum of its proper divisors (53787862).

70565066 is a wasteful number, since it uses less digits than its factorization.

70565066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246757.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 70565066 is about 8400.3015422067. The cubic root of 70565066 is about 413.2345108585.

The spelling of 70565066 in words is "seventy million, five hundred sixty-five thousand, sixty-six".