424216733 has 4 divisors (see below), whose sum is σ = 424293948. Its totient is φ = 424139520.

The previous prime is 424216721. The next prime is 424216739. The reversal of 424216733 is 337612424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71453209 + 352763524 = 8453^2 + 18782^2 .

It is a cyclic number.

It is not a de Polignac number, because 424216733 - 2¹⁴ = 424200349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424216733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424216739) 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, 29678 + ... + 41583.

It is an arithmetic number, because the mean of its divisors is an integer number (106073487).

Almost surely, 2^424216733 is an apocalyptic number.

It is an amenable number.

424216733 is a deficient number, since it is larger than the sum of its proper divisors (77215).

424216733 is an equidigital number, since it uses as much as digits as its factorization.

424216733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214.

The product of its digits is 24192, while the sum is 32.

The square root of 424216733 is about 20596.5223520865. The cubic root of 424216733 is about 751.3851339268.

The spelling of 424216733 in words is "four hundred twenty-four million, two hundred sixteen thousand, seven hundred thirty-three".