720364 has 12 divisors (see below), whose sum is σ = 1278424. Its totient is φ = 355104.

The previous prime is 720361. The next prime is 720367. The reversal of 720364 is 463027.

It is an interprime number because it is at equal distance from previous prime (720361) and next prime (720367).

It is not an unprimeable number, because it can be changed into a prime (720361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942 + ... + 1525.

2⁷²⁰³⁶⁴ is an apocalyptic number.

It is an amenable number.

720364 is a deficient number, since it is larger than the sum of its proper divisors (558060).

720364 is a wasteful number, since it uses less digits than its factorization.

720364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 720364 is about 848.7425993786. The cubic root of 720364 is about 89.6431963803.

The spelling of 720364 in words is "seven hundred twenty thousand, three hundred sixty-four".