743987227 has 4 divisors (see below), whose sum is σ = 756597240. Its totient is φ = 731377216.

The previous prime is 743987221. The next prime is 743987249. The reversal of 743987227 is 722789347.

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

It is not a de Polignac number, because 743987227 - 2³ = 743987219 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743987221) 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 3 ways as a sum of consecutive naturals, for example, 6304918 + ... + 6305035.

It is an arithmetic number, because the mean of its divisors is an integer number (189149310).

Almost surely, 2^743987227 is an apocalyptic number.

743987227 is a deficient number, since it is larger than the sum of its proper divisors (12610013).

743987227 is a wasteful number, since it uses less digits than its factorization.

743987227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610012.

The product of its digits is 1185408, while the sum is 49.

The square root of 743987227 is about 27276.1292525168. The cubic root of 743987227 is about 906.1257936982.

The spelling of 743987227 in words is "seven hundred forty-three million, nine hundred eighty-seven thousand, two hundred twenty-seven".