720289600 has 84 divisors (see below), whose sum is σ = 1777760224. Its totient is φ = 287239680.

The previous prime is 720289579. The next prime is 720289621. The reversal of 720289600 is 6982027.

It is an interprime number because it is at equal distance from previous prime (720289579) and next prime (720289621).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874789 + ... + 875611.

Almost surely, 2^720289600 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 720289600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888880112).

720289600 is an abundant number, since it is smaller than the sum of its proper divisors (1057470624).

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

720289600 is a wasteful number, since it uses less digits than its factorization.

720289600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 720289600 is about 26838.2115648566. The cubic root of 720289600 is about 896.4011012420.

The spelling of 720289600 in words is "seven hundred twenty million, two hundred eighty-nine thousand, six hundred".