70660766 has 16 divisors (see below), whose sum is σ = 117810288. Its totient is φ = 31512000.

The previous prime is 70660763. The next prime is 70660783. The reversal of 70660766 is 66706607.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70660763) 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, 29135 + ... + 31466.

It is an arithmetic number, because the mean of its divisors is an integer number (7363143).

Almost surely, 2^70660766 is an apocalyptic number.

70660766 is a deficient number, since it is larger than the sum of its proper divisors (47149522).

70660766 is a wasteful number, since it uses less digits than its factorization.

70660766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60667.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 70660766 is about 8405.9958363064. The cubic root of 70660766 is about 413.4212353516.

The spelling of 70660766 in words is "seventy million, six hundred sixty thousand, seven hundred sixty-six".