720207 has 12 divisors (see below), whose sum is σ = 1065064. Its totient is φ = 468720.

The previous prime is 720197. The next prime is 720211. The reversal of 720207 is 702027.

It is not a de Polignac number, because 720207 - 2⁸ = 719951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544 + ... + 1317.

2⁷²⁰²⁰⁷ is an apocalyptic number.

720207 is a deficient number, since it is larger than the sum of its proper divisors (344857).

720207 is a wasteful number, since it uses less digits than its factorization.

720207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 720207 is about 848.6501045779. The cubic root of 720207 is about 89.6366834672.

It can be divided in two parts, 72020 and 7, that added together give a palindrome (72027).

The spelling of 720207 in words is "seven hundred twenty thousand, two hundred seven", and thus it is an iban number.