69971107 has 4 divisors (see below), whose sum is σ = 71862256. Its totient is φ = 68079960.

The previous prime is 69971089. The next prime is 69971117. The reversal of 69971107 is 70117996.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69971107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69971107.

It is not an unprimeable number, because it can be changed into a prime (69971117) 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 3 ways as a sum of consecutive naturals, for example, 945519 + ... + 945592.

It is an arithmetic number, because the mean of its divisors is an integer number (17965564).

Almost surely, 2^69971107 is an apocalyptic number.

69971107 is a deficient number, since it is larger than the sum of its proper divisors (1891149).

69971107 is a wasteful number, since it uses less digits than its factorization.

69971107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891148.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 69971107 is about 8364.8734001179. The cubic root of 69971107 is about 412.0718191794.

The spelling of 69971107 in words is "sixty-nine million, nine hundred seventy-one thousand, one hundred seven".