720652 has 12 divisors (see below), whose sum is σ = 1280440. Its totient is φ = 354816.

The previous prime is 720619. The next prime is 720653. The reversal of 720652 is 256027.

It is not an unprimeable number, because it can be changed into a prime (720653) 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, 1077 + ... + 1612.

2⁷²⁰⁶⁵² is an apocalyptic number.

It is an amenable number.

720652 is a deficient number, since it is larger than the sum of its proper divisors (559788).

720652 is a wasteful number, since it uses less digits than its factorization.

720652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 720652 is about 848.9122451703. The cubic root of 720652 is about 89.6551411753.

Adding to 720652 its reverse (256027), we get a palindrome (976679).

The spelling of 720652 in words is "seven hundred twenty thousand, six hundred fifty-two".