743032420 has 48 divisors (see below), whose sum is σ = 1682736048. Its totient is φ = 273968640.

The previous prime is 743032417. The next prime is 743032429. The reversal of 743032420 is 24230347.

It can be written as a sum of positive squares in 8 ways, for example, as 142884 + 742889536 = 378^2 + 27256^2 .

It is not an unprimeable number, because it can be changed into a prime (743032429) 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 in 15 ways as a sum of consecutive naturals, for example, 243142 + ... + 246178.

It is an arithmetic number, because the mean of its divisors is an integer number (35057001).

Almost surely, 2^743032420 is an apocalyptic number.

It is an amenable number.

743032420 is an abundant number, since it is smaller than the sum of its proper divisors (939703628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743032420 is a wasteful number, since it uses less digits than its factorization.

743032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 743032420 is about 27258.6210216144. The cubic root of 743032420 is about 905.7379977813.

Adding to 743032420 its reverse (24230347), we get a palindrome (767262767).

The spelling of 743032420 in words is "seven hundred forty-three million, thirty-two thousand, four hundred twenty".