68498208 has 72 divisors (see below), whose sum is σ = 199577196. Its totient is φ = 22272000.

The previous prime is 68498201. The next prime is 68498237. The reversal of 68498208 is 80289486.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68359824 + 138384 = 8268^2 + 372^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×68498208² = 9384008998422528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68498201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8908 + ... + 14708.

Almost surely, 2^68498208 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 68498208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99788598).

68498208 is an abundant number, since it is smaller than the sum of its proper divisors (131078988).

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

68498208 is a wasteful number, since it uses less digits than its factorization.

68498208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 68498208 is about 8276.3644192363. The cubic root of 68498208 is about 409.1599058305.

The spelling of 68498208 in words is "sixty-eight million, four hundred ninety-eight thousand, two hundred eight".