720064 has 14 divisors (see below), whose sum is σ = 1429004. Its totient is φ = 360000.

The previous prime is 720059. The next prime is 720089. The reversal of 720064 is 460027.

720064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562 + ... + 5689.

2⁷²⁰⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

720064 is a deficient number, since it is larger than the sum of its proper divisors (708940).

720064 is a wasteful number, since it uses less digits than its factorization.

720064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263 (or 11253 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 720064 is about 848.5658489475. The cubic root of 720064 is about 89.6307504997.

It can be divided in two parts, 72006 and 4, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 720064 in words is "seven hundred twenty thousand, sixty-four".