69681342 has 16 divisors (see below), whose sum is σ = 139582080. Its totient is φ = 23190552.

The previous prime is 69681331. The next prime is 69681343. The reversal of 69681342 is 24318696.

It is a self number, because there is not a number n which added to its sum of digits gives 69681342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69681343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858 + ... + 12765.

It is an arithmetic number, because the mean of its divisors is an integer number (8723880).

Almost surely, 2^69681342 is an apocalyptic number.

69681342 is an abundant number, since it is smaller than the sum of its proper divisors (69900738).

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

69681342 is a wasteful number, since it uses less digits than its factorization.

69681342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18287.

The product of its digits is 62208, while the sum is 39.

The square root of 69681342 is about 8347.5350852812. The cubic root of 69681342 is about 411.5022069413.

The spelling of 69681342 in words is "sixty-nine million, six hundred eighty-one thousand, three hundred forty-two".