68908400 has 60 divisors (see below), whose sum is σ = 180614184. Its totient is φ = 25056000.

The previous prime is 68908387. The next prime is 68908409. The reversal of 68908400 is 480986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68908409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3431 + ... + 12230.

Almost surely, 2^68908400 is an apocalyptic number.

It is an amenable number.

68908400 is an abundant number, since it is smaller than the sum of its proper divisors (111705784).

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

68908400 is a wasteful number, since it uses less digits than its factorization.

68908400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15690 (or 15679 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68908400 is about 8301.1083597312. The cubic root of 68908400 is about 409.9750133494.

The spelling of 68908400 in words is "sixty-eight million, nine hundred eight thousand, four hundred".