720001968 has 80 divisors (see below), whose sum is σ = 2129673216. Its totient is φ = 205332480.

The previous prime is 720001927. The next prime is 720001973. The reversal of 720001968 is 869100027.

It is a super-3 number, since 3×720001968³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213705 + ... + 217047.

Almost surely, 2^720001968 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 720001968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064836608).

720001968 is an abundant number, since it is smaller than the sum of its proper divisors (1409671248).

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

720001968 is a wasteful number, since it uses less digits than its factorization.

720001968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 720001968 is about 26832.8524014872. The cubic root of 720001968 is about 896.2817659222.

The spelling of 720001968 in words is "seven hundred twenty million, one thousand, nine hundred sixty-eight".