547722 has 72 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 149688.

The previous prime is 547709. The next prime is 547727. The reversal of 547722 is 227745.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (3920) is a multiple of the sum of its prime divisors (35).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23803 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2⁵⁴⁷⁷²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 547722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746928).

547722 is an abundant number, since it is smaller than the sum of its proper divisors (946134).

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

547722 is a wasteful number, since it uses less digits than its factorization.

547722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 35 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 547722 is about 740.0824278417. The cubic root of 547722 is about 81.8188545399.

It can be divided in two parts, 54 and 7722, that added together give a 5-th power (7776 = 6⁵).

The spelling of 547722 in words is "five hundred forty-seven thousand, seven hundred twenty-two".