68881464 has 48 divisors (see below), whose sum is σ = 188318520. Its totient is φ = 22743360.

The previous prime is 68881453. The next prime is 68881471. The reversal of 68881464 is 46418886.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3234 + ... + 12174.

Almost surely, 2^68881464 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 68881464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94159260).

68881464 is an abundant number, since it is smaller than the sum of its proper divisors (119437056).

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

68881464 is a wasteful number, since it uses less digits than its factorization.

68881464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060 (or 9053 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 68881464 is about 8299.4857672027. The cubic root of 68881464 is about 409.9215872254.

The spelling of 68881464 in words is "sixty-eight million, eight hundred eighty-one thousand, four hundred sixty-four".