720716064 has 24 divisors (see below), whose sum is σ = 1891879920. Its totient is φ = 240238656.

The previous prime is 720716057. The next prime is 720716083. The reversal of 720716064 is 460617027.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753634 + ... + 3753825.

It is an arithmetic number, because the mean of its divisors is an integer number (78828330).

Almost surely, 2^720716064 is an apocalyptic number.

It is an amenable number.

720716064 is an abundant number, since it is smaller than the sum of its proper divisors (1171163856).

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

720716064 is a wasteful number, since it uses less digits than its factorization.

720716064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507472 (or 7507464 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 720716064 is about 26846.1554789508. The cubic root of 720716064 is about 896.5779779583.

The spelling of 720716064 in words is "seven hundred twenty million, seven hundred sixteen thousand, sixty-four".