432426973 has 4 divisors (see below), whose sum is σ = 471738528. Its totient is φ = 393115420.

The previous prime is 432426941. The next prime is 432426983. The reversal of 432426973 is 379624234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 432426973 - 2⁵ = 432426941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432426923) 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, 19655761 + ... + 19655782.

It is an arithmetic number, because the mean of its divisors is an integer number (117934632).

Almost surely, 2^432426973 is an apocalyptic number.

It is an amenable number.

432426973 is a deficient number, since it is larger than the sum of its proper divisors (39311555).

432426973 is a wasteful number, since it uses less digits than its factorization.

432426973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311554.

The product of its digits is 217728, while the sum is 40.

The square root of 432426973 is about 20794.8785281376. The cubic root of 432426973 is about 756.2015999077.

The spelling of 432426973 in words is "four hundred thirty-two million, four hundred twenty-six thousand, nine hundred seventy-three".