69247242 has 48 divisors (see below), whose sum is σ = 155920128. Its totient is φ = 22187520.

The previous prime is 69247231. The next prime is 69247259. The reversal of 69247242 is 24274296.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 69247197 and 69247206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107373 + ... + 108015.

It is an arithmetic number, because the mean of its divisors is an integer number (3248336).

Almost surely, 2^69247242 is an apocalyptic number.

69247242 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 69247242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77960064).

69247242 is an abundant number, since it is smaller than the sum of its proper divisors (86672886).

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

69247242 is a wasteful number, since it uses less digits than its factorization.

69247242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 872 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 69247242 is about 8321.4927747370. The cubic root of 69247242 is about 410.6459024131.

The spelling of 69247242 in words is "sixty-nine million, two hundred forty-seven thousand, two hundred forty-two".