70117318 has 4 divisors (see below), whose sum is σ = 105175980. Its totient is φ = 35058658.

The previous prime is 70117297. The next prime is 70117337. The reversal of 70117318 is 81371107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81371107 = 3019 ⋅26953.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17529328 + ... + 17529331.

It is an arithmetic number, because the mean of its divisors is an integer number (26293995).

Almost surely, 2^70117318 is an apocalyptic number.

70117318 is a deficient number, since it is larger than the sum of its proper divisors (35058662).

70117318 is a wasteful number, since it uses less digits than its factorization.

70117318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35058661.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 70117318 is about 8373.6084217021. The cubic root of 70117318 is about 412.3586400231.

The spelling of 70117318 in words is "seventy million, one hundred seventeen thousand, three hundred eighteen".