432740 has 48 divisors (see below), whose sum is σ = 1137024. Its totient is φ = 134400.

The previous prime is 432737. The next prime is 432743. The reversal of 432740 is 47234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (432737) and next prime (432743).

It is a Harshad number since it is a multiple of its sum of digits (20).

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (23688).

2⁴³²⁷⁴⁰ 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 432740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568512).

432740 is an abundant number, since it is smaller than the sum of its proper divisors (704284).

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

432740 is a wasteful number, since it uses less digits than its factorization.

432740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 432740 is about 657.8297652129. The cubic root of 432740 is about 75.6384023329.

Adding to 432740 its reverse (47234), we get a palindrome (479974).

The spelling of 432740 in words is "four hundred thirty-two thousand, seven hundred forty".