69664466 has 4 divisors (see below), whose sum is σ = 104496702. Its totient is φ = 34832232.

The previous prime is 69664457. The next prime is 69664477. The reversal of 69664466 is 66446696.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 64240225 + 5424241 = 8015^2 + 2329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69664466.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17416115 + ... + 17416118.

Almost surely, 2^69664466 is an apocalyptic number.

69664466 is a deficient number, since it is larger than the sum of its proper divisors (34832236).

69664466 is a wasteful number, since it uses less digits than its factorization.

69664466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34832235.

The product of its digits is 1119744, while the sum is 47.

The square root of 69664466 is about 8346.5241867498. The cubic root of 69664466 is about 411.4689839304.

The spelling of 69664466 in words is "sixty-nine million, six hundred sixty-four thousand, four hundred sixty-six".