70118666 has 4 divisors (see below), whose sum is σ = 105178002. Its totient is φ = 35059332.

The previous prime is 70118641. The next prime is 70118687. The reversal of 70118666 is 66681107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67650625 + 2468041 = 8225^2 + 1571^2 .

It is a super-3 number, since 3×70118666³ (a number of 25 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 17529665 + ... + 17529668.

Almost surely, 2^70118666 is an apocalyptic number.

70118666 is a deficient number, since it is larger than the sum of its proper divisors (35059336).

70118666 is a wasteful number, since it uses less digits than its factorization.

70118666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35059335.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 70118666 is about 8373.6889123014. The cubic root of 70118666 is about 412.3612825271.

The spelling of 70118666 in words is "seventy million, one hundred eighteen thousand, six hundred sixty-six".