720054 has 24 divisors (see below), whose sum is σ = 1578720. Its totient is φ = 237168.

The previous prime is 720053. The next prime is 720059. The reversal of 720054 is 450027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1779 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (65780).

2⁷²⁰⁰⁵⁴ is an apocalyptic number.

720054 is an abundant number, since it is smaller than the sum of its proper divisors (858666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720054 is a wasteful number, since it uses less digits than its factorization.

720054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 720054 is about 848.5599566324. The cubic root of 720054 is about 89.6303355775.

The spelling of 720054 in words is "seven hundred twenty thousand, fifty-four".