747144322 has 8 divisors (see below), whose sum is σ = 1186641036. Its totient is φ = 351597312.

The previous prime is 747144319. The next prime is 747144323. The reversal of 747144322 is 223441747.

It can be written as a sum of positive squares in 2 ways, for example, as 746437041 + 707281 = 27321^2 + 841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 21974833 = 747144322 / (7 + 4 + 7 + 1 + 4 + 4 + 3 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (747144323) 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, 10987383 + ... + 10987450.

Almost surely, 2^747144322 is an apocalyptic number.

747144322 is a deficient number, since it is larger than the sum of its proper divisors (439496714).

747144322 is a wasteful number, since it uses less digits than its factorization.

747144322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21974852.

The product of its digits is 37632, while the sum is 34.

The square root of 747144322 is about 27333.9408428423. The cubic root of 747144322 is about 907.4056939191.

The spelling of 747144322 in words is "seven hundred forty-seven million, one hundred forty-four thousand, three hundred twenty-two".