744622394 has 8 divisors (see below), whose sum is σ = 1120248948. Its totient is φ = 371206080.

The previous prime is 744622393. The next prime is 744622409. The reversal of 744622394 is 493226447.

It can be written as a sum of positive squares in 2 ways, for example, as 744580369 + 42025 = 27287^2 + 205^2 .

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (744622393) 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, 551717 + ... + 553064.

Almost surely, 2^744622394 is an apocalyptic number.

744622394 is a deficient number, since it is larger than the sum of its proper divisors (375626554).

744622394 is a wasteful number, since it uses less digits than its factorization.

744622394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105120.

The product of its digits is 290304, while the sum is 41.

The square root of 744622394 is about 27287.7700444723. The cubic root of 744622394 is about 906.3835837393.

The spelling of 744622394 in words is "seven hundred forty-four million, six hundred twenty-two thousand, three hundred ninety-four".