744427099 has 4 divisors (see below), whose sum is σ = 801690736. Its totient is φ = 687163464.

The previous prime is 744427097. The next prime is 744427109. The reversal of 744427099 is 990724447.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 744427099 - 2¹ = 744427097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744427091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28631799 + ... + 28631824.

It is an arithmetic number, because the mean of its divisors is an integer number (200422684).

Almost surely, 2^744427099 is an apocalyptic number.

744427099 is a deficient number, since it is larger than the sum of its proper divisors (57263637).

744427099 is a wasteful number, since it uses less digits than its factorization.

744427099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57263636.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 744427099 is about 27284.1913752268. The cubic root of 744427099 is about 906.3043365661.

It can be divided in two parts, 7444 and 27099, that added together give a palindrome (34543).

The spelling of 744427099 in words is "seven hundred forty-four million, four hundred twenty-seven thousand, ninety-nine".