69688634 has 8 divisors (see below), whose sum is σ = 104940468. Its totient is φ = 34708480.

The previous prime is 69688631. The next prime is 69688699. The reversal of 69688634 is 43688696.

It can be written as a sum of positive squares in 2 ways, for example, as 64048009 + 5640625 = 8003^2 + 2375^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69688631) 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, 67277 + ... + 68304.

Almost surely, 2^69688634 is an apocalyptic number.

69688634 is a deficient number, since it is larger than the sum of its proper divisors (35251834).

69688634 is a wasteful number, since it uses less digits than its factorization.

69688634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135840.

The product of its digits is 1492992, while the sum is 50.

The square root of 69688634 is about 8347.9718494973. The cubic root of 69688634 is about 411.5165607091.

The spelling of 69688634 in words is "sixty-nine million, six hundred eighty-eight thousand, six hundred thirty-four".