68005400 has 24 divisors (see below), whose sum is σ = 158113020. Its totient is φ = 27202080.

The previous prime is 68005397. The next prime is 68005409. The reversal of 68005400 is 450086.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68005409) 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 5 ways as a sum of consecutive naturals, for example, 169814 + ... + 170213.

Almost surely, 2^68005400 is an apocalyptic number.

It is an amenable number.

68005400 is an abundant number, since it is smaller than the sum of its proper divisors (90107620).

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

68005400 is a wasteful number, since it uses less digits than its factorization.

68005400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340043 (or 340034 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 68005400 is about 8246.5386678291. The cubic root of 68005400 is about 408.1763142869.

Adding to 68005400 its reverse (450086), we get a palindrome (68455486).

The spelling of 68005400 in words is "sixty-eight million, five thousand, four hundred".