720601 has 8 divisors (see below), whose sum is σ = 831744. Its totient is φ = 611520.

The previous prime is 720571. The next prime is 720607. The reversal of 720601 is 106027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 720601 - 2⁵ = 720569 is a prime.

It is a pancake number, because a pancake can be divided into 720601 parts by 1200 straight cuts.

It is a Duffinian number.

720601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (720607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (103968).

2⁷²⁰⁶⁰¹ is an apocalyptic number.

It is an amenable number.

720601 is a deficient number, since it is larger than the sum of its proper divisors (111143).

720601 is a wasteful number, since it uses less digits than its factorization.

720601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 720601 is about 848.8822061982. The cubic root of 720601 is about 89.6530261831.

Adding to 720601 its reverse (106027), we get a palindrome (826628).

The spelling of 720601 in words is "seven hundred twenty thousand, six hundred one".