545072 has 40 divisors (see below), whose sum is σ = 1220160. Its totient is φ = 233280.

The previous prime is 545063. The next prime is 545087. The reversal of 545072 is 270545.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3263 + ... + 3425.

It is an arithmetic number, because the mean of its divisors is an integer number (30504).

2⁵⁴⁵⁰⁷² 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 545072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610080).

545072 is an abundant number, since it is smaller than the sum of its proper divisors (675088).

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

545072 is a wasteful number, since it uses less digits than its factorization.

545072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 545072 is about 738.2899159544. The cubic root of 545072 is about 81.6866885982.

The spelling of 545072 in words is "five hundred forty-five thousand, seventy-two".