720025 has 12 divisors (see below), whose sum is σ = 906192. Its totient is φ = 567440.

The previous prime is 720023. The next prime is 720053. The reversal of 720025 is 520027.

It is a happy number.

It is not a de Polignac number, because 720025 - 2¹ = 720023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 719990 and 720008.

It is not an unprimeable number, because it can be changed into a prime (720023) 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, 1902 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (75516).

2⁷²⁰⁰²⁵ is an apocalyptic number.

It is an amenable number.

720025 is a deficient number, since it is larger than the sum of its proper divisors (186167).

720025 is a wasteful number, since it uses less digits than its factorization.

720025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 720025 is about 848.5428686873. The cubic root of 720025 is about 89.6291322813.

It can be divided in two parts, 7200 and 25, that added together give a square (7225 = 85²).

The spelling of 720025 in words is "seven hundred twenty thousand, twenty-five".