743674221 has 12 divisors (see below), whose sum is σ = 1108848000. Its totient is φ = 479789640.

The previous prime is 743674201. The next prime is 743674237. The reversal of 743674221 is 122476347.

743674221 is a `hidden beast` number, since 74 + 367 + 4 + 221 = 666.

743674221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 743674221 - 2¹³ = 743666029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743674201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1332471 + ... + 1333028.

It is an arithmetic number, because the mean of its divisors is an integer number (92404000).

Almost surely, 2^743674221 is an apocalyptic number.

It is an amenable number.

743674221 is a deficient number, since it is larger than the sum of its proper divisors (365173779).

743674221 is a wasteful number, since it uses less digits than its factorization.

743674221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665536 (or 2665533 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 743674221 is about 27270.3909212904. The cubic root of 743674221 is about 905.9987025404.

The spelling of 743674221 in words is "seven hundred forty-three million, six hundred seventy-four thousand, two hundred twenty-one".