720352 has 12 divisors (see below), whose sum is σ = 1418256. Its totient is φ = 360160.

The previous prime is 720319. The next prime is 720359. The reversal of 720352 is 253027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720359) by changing a digit.

720352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11224 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (118188).

2⁷²⁰³⁵² is an apocalyptic number.

It is an amenable number.

720352 is a deficient number, since it is larger than the sum of its proper divisors (697904).

720352 is a wasteful number, since it uses less digits than its factorization.

720352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521 (or 22513 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 720352 is about 848.7355300681. The cubic root of 720352 is about 89.6426986115.

Adding to 720352 its reverse (253027), we get a palindrome (973379).

The spelling of 720352 in words is "seven hundred twenty thousand, three hundred fifty-two".