747066321 has 12 divisors (see below), whose sum is σ = 1119062672. Its totient is φ = 498044052.

The previous prime is 747066293. The next prime is 747066337. The reversal of 747066321 is 123660747.

747066321 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 747066321 - 2⁷ = 747066193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747066121) 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, 1536931 + ... + 1537416.

Almost surely, 2^747066321 is an apocalyptic number.

It is an amenable number.

747066321 is a deficient number, since it is larger than the sum of its proper divisors (371996351).

747066321 is an equidigital number, since it uses as much as digits as its factorization.

747066321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074362 (or 3074350 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 747066321 is about 27332.5139897522. The cubic root of 747066321 is about 907.3741154531.

The spelling of 747066321 in words is "seven hundred forty-seven million, sixty-six thousand, three hundred twenty-one".