70660318 has 4 divisors (see below), whose sum is σ = 105990480. Its totient is φ = 35330158.

The previous prime is 70660267. The next prime is 70660319. The reversal of 70660318 is 81306607.

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

It is a super-2 number, since 2×70660318² = 9985761079722248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 70660318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70660319) 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 as a sum of consecutive naturals, namely, 17665078 + ... + 17665081.

It is an arithmetic number, because the mean of its divisors is an integer number (26497620).

Almost surely, 2^70660318 is an apocalyptic number.

70660318 is a deficient number, since it is larger than the sum of its proper divisors (35330162).

70660318 is a wasteful number, since it uses less digits than its factorization.

70660318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35330161.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70660318 is about 8405.9691886183. The cubic root of 70660318 is about 413.4203616319.

The spelling of 70660318 in words is "seventy million, six hundred sixty thousand, three hundred eighteen".