432742 has 4 divisors (see below), whose sum is σ = 649116. Its totient is φ = 216370.

The previous prime is 432737. The next prime is 432743. The reversal of 432742 is 247234.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432743) by changing a digit.

432742 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 as a sum of consecutive naturals, namely, 108184 + ... + 108187.

It is an arithmetic number, because the mean of its divisors is an integer number (162279).

2⁴³²⁷⁴² is an apocalyptic number.

432742 is a deficient number, since it is larger than the sum of its proper divisors (216374).

432742 is a wasteful number, since it uses less digits than its factorization.

432742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216373.

The product of its digits is 1344, while the sum is 22.

The square root of 432742 is about 657.8312853612. The cubic root of 432742 is about 75.6385188591.

Adding to 432742 its reverse (247234), we get a palindrome (679976).

The spelling of 432742 in words is "four hundred thirty-two thousand, seven hundred forty-two".