734431 has 2 divisors, whose sum is σ = 734432. Its totient is φ = 734430.

The previous prime is 734429. The next prime is 734443. The reversal of 734431 is 134437.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (134437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734431 - 2¹ = 734429 is a prime.

It is a super-2 number, since 2×734431² = 1078777787522, which contains 22 as substring.

Together with 734429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367215 + 367216.

It is an arithmetic number, because the mean of its divisors is an integer number (367216).

2⁷³⁴⁴³¹ is an apocalyptic number.

734431 is a deficient number, since it is larger than the sum of its proper divisors (1).

734431 is an equidigital number, since it uses as much as digits as its factorization.

734431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 734431 is about 856.9894981854. The cubic root of 734431 is about 90.2229452134. Note that the first 3 decimals are identical.

Adding to 734431 its reverse (134437), we get a palindrome (868868).

The spelling of 734431 in words is "seven hundred thirty-four thousand, four hundred thirty-one".