70706566 has 16 divisors (see below), whose sum is σ = 121395456. Its totient is φ = 30256776.

The previous prime is 70706549. The next prime is 70706569. The reversal of 70706566 is 66560707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70706569) 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, 6705 + ... + 13651.

It is an arithmetic number, because the mean of its divisors is an integer number (7587216).

Almost surely, 2^70706566 is an apocalyptic number.

70706566 is a deficient number, since it is larger than the sum of its proper divisors (50688890).

70706566 is a wasteful number, since it uses less digits than its factorization.

70706566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7683.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 70706566 is about 8408.7196409442. The cubic root of 70706566 is about 413.5105381060.

The spelling of 70706566 in words is "seventy million, seven hundred six thousand, five hundred sixty-six".