432731667 has 4 divisors (see below), whose sum is σ = 576975560. Its totient is φ = 288487776.

The previous prime is 432731657. The next prime is 432731693. The reversal of 432731667 is 766137234.

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

It is not a de Polignac number, because 432731667 - 2¹⁶ = 432666131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432731657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72121942 + ... + 72121947.

It is an arithmetic number, because the mean of its divisors is an integer number (144243890).

Almost surely, 2^432731667 is an apocalyptic number.

432731667 is a deficient number, since it is larger than the sum of its proper divisors (144243893).

432731667 is a wasteful number, since it uses less digits than its factorization.

432731667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144243892.

The product of its digits is 127008, while the sum is 39.

The square root of 432731667 is about 20802.2034169460. The cubic root of 432731667 is about 756.3791682288.

The spelling of 432731667 in words is "four hundred thirty-two million, seven hundred thirty-one thousand, six hundred sixty-seven".