201432073 has 4 divisors (see below), whose sum is σ = 201587968. Its totient is φ = 201276180.

The previous prime is 201432047. The next prime is 201432149. The reversal of 201432073 is 370234102.

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 201432073 - 2¹³ = 201423881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201432013) 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, 75993 + ... + 78598.

It is an arithmetic number, because the mean of its divisors is an integer number (50396992).

Almost surely, 2^201432073 is an apocalyptic number.

It is an amenable number.

201432073 is a deficient number, since it is larger than the sum of its proper divisors (155895).

201432073 is a wasteful number, since it uses less digits than its factorization.

201432073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155894.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 201432073 is about 14192.6767383746. The cubic root of 201432073 is about 586.1960316324.

Adding to 201432073 its reverse (370234102), we get a palindrome (571666175).

The spelling of 201432073 in words is "two hundred one million, four hundred thirty-two thousand, seventy-three".