68098464 has 144 divisors (see below), whose sum is σ = 234456768. Its totient is φ = 18302976.

The previous prime is 68098421. The next prime is 68098477. The reversal of 68098464 is 46489086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33279 + ... + 35265.

It is an arithmetic number, because the mean of its divisors is an integer number (1628172).

Almost surely, 2^68098464 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 68098464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117228384).

68098464 is an abundant number, since it is smaller than the sum of its proper divisors (166358304).

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

68098464 is a wasteful number, since it uses less digits than its factorization.

68098464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 68098464 is about 8252.1793485115. The cubic root of 68098464 is about 408.3624230653.

The spelling of 68098464 in words is "sixty-eight million, ninety-eight thousand, four hundred sixty-four".