69726242 has 8 divisors (see below), whose sum is σ = 106022316. Its totient is φ = 34385472.

The previous prime is 69726227. The next prime is 69726247. The reversal of 69726242 is 24262796.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62267881 + 7458361 = 7891^2 + 2731^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 69726196 and 69726205.

It is not an unprimeable number, because it can be changed into a prime (69726247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238643 + ... + 238934.

Almost surely, 2^69726242 is an apocalyptic number.

69726242 is a deficient number, since it is larger than the sum of its proper divisors (36296074).

69726242 is a wasteful number, since it uses less digits than its factorization.

69726242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477652.

The product of its digits is 72576, while the sum is 38.

The square root of 69726242 is about 8350.2240688499. The cubic root of 69726242 is about 411.5905734082.

The spelling of 69726242 in words is "sixty-nine million, seven hundred twenty-six thousand, two hundred forty-two".