69985607 has 4 divisors (see below), whose sum is σ = 73669080. Its totient is φ = 66302136.

The previous prime is 69985603. The next prime is 69985609. The reversal of 69985607 is 70658996.

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

It is a cyclic number.

It is not a de Polignac number, because 69985607 - 2² = 69985603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69985603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841708 + ... + 1841745.

It is an arithmetic number, because the mean of its divisors is an integer number (18417270).

Almost surely, 2^69985607 is an apocalyptic number.

69985607 is a deficient number, since it is larger than the sum of its proper divisors (3683473).

69985607 is a wasteful number, since it uses less digits than its factorization.

69985607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683472.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 69985607 is about 8365.7400748529. The cubic root of 69985607 is about 412.1002815402.

The spelling of 69985607 in words is "sixty-nine million, nine hundred eighty-five thousand, six hundred seven".