69668474 has 4 divisors (see below), whose sum is σ = 104502714. Its totient is φ = 34834236.

The previous prime is 69668419. The next prime is 69668477. The reversal of 69668474 is 47486696.

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., 69472225 + 196249 = 8335^2 + 443^2 .

It is not an unprimeable number, because it can be changed into a prime (69668477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17417117 + ... + 17417120.

Almost surely, 2^69668474 is an apocalyptic number.

69668474 is a deficient number, since it is larger than the sum of its proper divisors (34834240).

69668474 is a wasteful number, since it uses less digits than its factorization.

69668474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34834239.

The product of its digits is 1741824, while the sum is 50.

The square root of 69668474 is about 8346.7642832417. The cubic root of 69668474 is about 411.4768747828.

The spelling of 69668474 in words is "sixty-nine million, six hundred sixty-eight thousand, four hundred seventy-four".