68089464 has 128 divisors (see below), whose sum is σ = 203904000. Its totient is φ = 20984832.

The previous prime is 68089451. The next prime is 68089493. The reversal of 68089464 is 46498086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192712 + ... + 193064.

It is an arithmetic number, because the mean of its divisors is an integer number (1593000).

Almost surely, 2^68089464 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 68089464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101952000).

68089464 is an abundant number, since it is smaller than the sum of its proper divisors (135814536).

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

68089464 is a wasteful number, since it uses less digits than its factorization.

68089464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 424 counting only the distinct ones).

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

The square root of 68089464 is about 8251.6340199987. The cubic root of 68089464 is about 408.3444323329.

The spelling of 68089464 in words is "sixty-eight million, eighty-nine thousand, four hundred sixty-four".