70666630 has 16 divisors (see below), whose sum is σ = 130158864. Its totient is φ = 27609120.

The previous prime is 70666613. The next prime is 70666663. The reversal of 70666630 is 3666607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81741 + ... + 82600.

It is an arithmetic number, because the mean of its divisors is an integer number (8134929).

Almost surely, 2^70666630 is an apocalyptic number.

70666630 is a deficient number, since it is larger than the sum of its proper divisors (59492234).

70666630 is a wasteful number, since it uses less digits than its factorization.

70666630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164391.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 70666630 is about 8406.3446277202. The cubic root of 70666630 is about 413.4326713776.

The spelling of 70666630 in words is "seventy million, six hundred sixty-six thousand, six hundred thirty".