545706720 has 480 divisors, whose sum is σ = 2151515520. Its totient is φ = 129392640.

The previous prime is 545706713. The next prime is 545706743. The reversal of 545706720 is 27607545.

545706720 is a `hidden beast` number, since 5 + 4 + 570 + 67 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6907641 + ... + 6907719.

It is an arithmetic number, because the mean of its divisors is an integer number (4482324).

Almost surely, 2^545706720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545706720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075757760).

545706720 is an abundant number, since it is smaller than the sum of its proper divisors (1605808800).

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

545706720 is a wasteful number, since it uses less digits than its factorization.

545706720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 545706720 is about 23360.3664354821. The cubic root of 545706720 is about 817.1838353197.

The spelling of 545706720 in words is "five hundred forty-five million, seven hundred six thousand, seven hundred twenty".