69064066 has 4 divisors (see below), whose sum is σ = 103596102. Its totient is φ = 34532032.

The previous prime is 69064057. The next prime is 69064067. The reversal of 69064066 is 66046096.

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., 41280625 + 27783441 = 6425^2 + 5271^2 .

It is not an unprimeable number, because it can be changed into a prime (69064067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17266015 + ... + 17266018.

Almost surely, 2^69064066 is an apocalyptic number.

69064066 is a deficient number, since it is larger than the sum of its proper divisors (34532036).

69064066 is a wasteful number, since it uses less digits than its factorization.

69064066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34532035.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 69064066 is about 8310.4792882240. The cubic root of 69064066 is about 410.2834961769.

The spelling of 69064066 in words is "sixty-nine million, sixty-four thousand, sixty-six".