68992000 has 264 divisors, whose sum is σ = 218423088. Its totient is φ = 21504000.

The previous prime is 68991959. The next prime is 68992003. The reversal of 68992000 is 29986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68992003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6271995 + ... + 6272005.

Almost surely, 2^68992000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109211544).

68992000 is an abundant number, since it is smaller than the sum of its proper divisors (149431088).

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

68992000 is a wasteful number, since it uses less digits than its factorization.

68992000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 68992000 is about 8306.1423055471. The cubic root of 68992000 is about 410.1407408950.

The spelling of 68992000 in words is "sixty-eight million, nine hundred ninety-two thousand".