69561242 has 8 divisors (see below), whose sum is σ = 109833600. Its totient is φ = 32950044.

The previous prime is 69561211. The next prime is 69561251. The reversal of 69561242 is 24216596.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 915242 + ... + 915317.

It is an arithmetic number, because the mean of its divisors is an integer number (13729200).

Almost surely, 2^69561242 is an apocalyptic number.

69561242 is a deficient number, since it is larger than the sum of its proper divisors (40272358).

69561242 is a wasteful number, since it uses less digits than its factorization.

69561242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830580.

The product of its digits is 25920, while the sum is 35.

The square root of 69561242 is about 8340.3382425415. The cubic root of 69561242 is about 411.2656546857.

The spelling of 69561242 in words is "sixty-nine million, five hundred sixty-one thousand, two hundred forty-two".