70240066 has 16 divisors (see below), whose sum is σ = 114222528. Its totient is φ = 32202000.

The previous prime is 70240057. The next prime is 70240067. The reversal of 70240066 is 66004207.

It is a self number, because there is not a number n which added to its sum of digits gives 70240066.

It is not an unprimeable number, because it can be changed into a prime (70240067) 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 7 ways as a sum of consecutive naturals, for example, 5020 + ... + 12871.

It is an arithmetic number, because the mean of its divisors is an integer number (7138908).

Almost surely, 2^70240066 is an apocalyptic number.

70240066 is a deficient number, since it is larger than the sum of its proper divisors (43982462).

70240066 is a wasteful number, since it uses less digits than its factorization.

70240066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18057.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 70240066 is about 8380.9346734120. The cubic root of 70240066 is about 412.5991259786.

The spelling of 70240066 in words is "seventy million, two hundred forty thousand, sixty-six".