6423732 has 96 divisors (see below), whose sum is σ = 19756800. Its totient is φ = 1766016.

The previous prime is 6423721. The next prime is 6423733. The reversal of 6423732 is 2373246.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6423696 and 6423705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21778 + ... + 22070.

It is an arithmetic number, because the mean of its divisors is an integer number (205800).

Almost surely, 2^6423732 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 6423732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9878400).

6423732 is an abundant number, since it is smaller than the sum of its proper divisors (13333068).

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

6423732 is a wasteful number, since it uses less digits than its factorization.

6423732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 334 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 6423732 is about 2534.5082363251. The cubic root of 6423732 is about 185.8927581587.

Adding to 6423732 its reverse (2373246), we get a palindrome (8796978).

The spelling of 6423732 in words is "six million, four hundred twenty-three thousand, seven hundred thirty-two".