68998500 has 192 divisors, whose sum is σ = 235872000. Its totient is φ = 17366400.

The previous prime is 68998487. The next prime is 68998549. The reversal of 68998500 is 589986.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256366 + ... + 256634.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^68998500 is an apocalyptic number.

68998500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68998500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936000).

68998500 is an abundant number, since it is smaller than the sum of its proper divisors (166873500).

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

68998500 is a wasteful number, since it uses less digits than its factorization.

68998500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 68998500 is about 8306.5335730376. The cubic root of 68998500 is about 410.1536207995.

The spelling of 68998500 in words is "sixty-eight million, nine hundred ninety-eight thousand, five hundred".