591072 has 48 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 191360.

The previous prime is 591067. The next prime is 591079. The reversal of 591072 is 270195.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×591072² = 698732218368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (591079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4447 + ... + 4577.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2⁵⁹¹⁰⁷² 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 591072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798336).

591072 is an abundant number, since it is smaller than the sum of its proper divisors (1005600).

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

591072 is a wasteful number, since it uses less digits than its factorization.

591072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 591072 is about 768.8120706649. The cubic root of 591072 is about 83.9228316237.

The spelling of 591072 in words is "five hundred ninety-one thousand, seventy-two".