69653968 has 10 divisors (see below), whose sum is σ = 134954594. Its totient is φ = 34826976.

The previous prime is 69653963. The next prime is 69653989. The reversal of 69653968 is 86935696.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 9560464 = 7752^2 + 3092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69653963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176671 + ... + 2176702.

Almost surely, 2^69653968 is an apocalyptic number.

It is an amenable number.

69653968 is a deficient number, since it is larger than the sum of its proper divisors (65300626).

69653968 is a wasteful number, since it uses less digits than its factorization.

69653968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353381 (or 4353375 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 69653968 is about 8345.8952785187. The cubic root of 69653968 is about 411.4483142900.

The spelling of 69653968 in words is "sixty-nine million, six hundred fifty-three thousand, nine hundred sixty-eight".