69063642 has 12 divisors (see below), whose sum is σ = 149637930. Its totient is φ = 23021208.

The previous prime is 69063623. The next prime is 69063647. The reversal of 69063642 is 24636096.

69063642 is a `hidden beast` number, since 6 + 9 + 0 + 6 + 3 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63824121 + 5239521 = 7989^2 + 2289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69063597 and 69063606.

It is not an unprimeable number, because it can be changed into a prime (69063647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1918417 + ... + 1918452.

Almost surely, 2^69063642 is an apocalyptic number.

69063642 is an abundant number, since it is smaller than the sum of its proper divisors (80574288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69063642 is a wasteful number, since it uses less digits than its factorization.

69063642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836877 (or 3836874 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 69063642 is about 8310.4537782241. The cubic root of 69063642 is about 410.2826565673.

The spelling of 69063642 in words is "sixty-nine million, sixty-three thousand, six hundred forty-two".