68398496 has 48 divisors (see below), whose sum is σ = 141772680. Its totient is φ = 32440320.

The previous prime is 68398469. The next prime is 68398529. The reversal of 68398496 is 69489386.

It can be written as a sum of positive squares in 4 ways, for example, as 34339600 + 34058896 = 5860^2 + 5836^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47840 + ... + 49248.

Almost surely, 2^68398496 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 68398496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70886340).

68398496 is an abundant number, since it is smaller than the sum of its proper divisors (73374184).

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

68398496 is a wasteful number, since it uses less digits than its factorization.

68398496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1489 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 68398496 is about 8270.3383243976. The cubic root of 68398496 is about 408.9612730671.

The spelling of 68398496 in words is "sixty-eight million, three hundred ninety-eight thousand, four hundred ninety-six".