747484321 has 4 divisors (see below), whose sum is σ = 747658944. Its totient is φ = 747309700.

The previous prime is 747484289. The next prime is 747484327. The reversal of 747484321 is 123484747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 747484321 - 2⁵ = 747484289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747484327) 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, 80725 + ... + 89506.

It is an arithmetic number, because the mean of its divisors is an integer number (186914736).

Almost surely, 2^747484321 is an apocalyptic number.

It is an amenable number.

747484321 is a deficient number, since it is larger than the sum of its proper divisors (174623).

747484321 is a wasteful number, since it uses less digits than its factorization.

747484321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174622.

The product of its digits is 150528, while the sum is 40.

The square root of 747484321 is about 27340.1594911222. The cubic root of 747484321 is about 907.5433158095.

The spelling of 747484321 in words is "seven hundred forty-seven million, four hundred eighty-four thousand, three hundred twenty-one".