70668069 has 8 divisors (see below), whose sum is σ = 94274112. Its totient is φ = 47087040.

The previous prime is 70668019. The next prime is 70668071. The reversal of 70668069 is 96086607.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70668069 - 2⁸ = 70667813 is a prime.

It is a super-2 number, since 2×70668069² = 9987951952377522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70668069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70668019) 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, 1837 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (11784264).

Almost surely, 2^70668069 is an apocalyptic number.

It is an amenable number.

70668069 is a deficient number, since it is larger than the sum of its proper divisors (23606043).

70668069 is a wasteful number, since it uses less digits than its factorization.

70668069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 70668069 is about 8406.4302173991. The cubic root of 70668069 is about 413.4354776317.

The spelling of 70668069 in words is "seventy million, six hundred sixty-eight thousand, sixty-nine".