68427438 has 16 divisors (see below), whose sum is σ = 142805376. Its totient is φ = 21817400.

The previous prime is 68427409. The next prime is 68427481. The reversal of 68427438 is 83472486.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 68427438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247788 + ... + 248063.

It is an arithmetic number, because the mean of its divisors is an integer number (8925336).

Almost surely, 2^68427438 is an apocalyptic number.

68427438 is an abundant number, since it is smaller than the sum of its proper divisors (74377938).

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

68427438 is a wasteful number, since it uses less digits than its factorization.

68427438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495879.

The product of its digits is 258048, while the sum is 42.

The square root of 68427438 is about 8272.0878863803. The cubic root of 68427438 is about 409.0189472793.

The spelling of 68427438 in words is "sixty-eight million, four hundred twenty-seven thousand, four hundred thirty-eight".