69863968 has 12 divisors (see below), whose sum is σ = 137544750. Its totient is φ = 34931968.

The previous prime is 69863957. The next prime is 69863977. The reversal of 69863968 is 86936896.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 1106704 = 8292^2 + 1052^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091593 + ... + 1091656.

Almost surely, 2^69863968 is an apocalyptic number.

It is an amenable number.

69863968 is a deficient number, since it is larger than the sum of its proper divisors (67680782).

69863968 is a wasteful number, since it uses less digits than its factorization.

69863968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183259 (or 2183251 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The square root of 69863968 is about 8358.4668450620. The cubic root of 69863968 is about 411.8613917749.

The spelling of 69863968 in words is "sixty-nine million, eight hundred sixty-three thousand, nine hundred sixty-eight".