540372 has 36 divisors (see below), whose sum is σ = 1468320. Its totient is φ = 154224.

The previous prime is 540367. The next prime is 540373. The reversal of 540372 is 273045.

It is a happy number.

540372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540373) by changing a digit.

540372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129 + ... + 1047.

2⁵⁴⁰³⁷² 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 540372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734160).

540372 is an abundant number, since it is smaller than the sum of its proper divisors (927948).

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

540372 is a wasteful number, since it uses less digits than its factorization.

540372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 540372 is about 735.0999931982. The cubic root of 540372 is about 81.4512235269.

The spelling of 540372 in words is "five hundred forty thousand, three hundred seventy-two".