720576672 has 96 divisors (see below), whose sum is σ = 2003097600. Its totient is φ = 226176768.

The previous prime is 720576643. The next prime is 720576673. The reversal of 720576672 is 276675027.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (720576673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325393 + ... + 327599.

It is an arithmetic number, because the mean of its divisors is an integer number (20865600).

Almost surely, 2^720576672 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 720576672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001548800).

720576672 is an abundant number, since it is smaller than the sum of its proper divisors (1282520928).

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

720576672 is a wasteful number, since it uses less digits than its factorization.

720576672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 720576672 is about 26843.5592274944. The cubic root of 720576672 is about 896.5201725516.

The spelling of 720576672 in words is "seven hundred twenty million, five hundred seventy-six thousand, six hundred seventy-two".