744299999 has 4 divisors (see below), whose sum is σ = 748040400. Its totient is φ = 740559600.

The previous prime is 744299971. The next prime is 744300031. The reversal of 744299999 is 999992447.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744299999 is a prime.

It is a super-2 number, since 2×744299999² = 1107964977022800002, which contains 22 as substring.

It is a Duffinian number.

744299999 is a modest number, since divided by 99999 gives 7442 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744799999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869902 + ... + 1870299.

It is an arithmetic number, because the mean of its divisors is an integer number (187010100).

Almost surely, 2^744299999 is an apocalyptic number.

744299999 is a deficient number, since it is larger than the sum of its proper divisors (3740401).

744299999 is a wasteful number, since it uses less digits than its factorization.

744299999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740400.

The product of its digits is 13226976, while the sum is 62.

The square root of 744299999 is about 27281.8620882080. The cubic root of 744299999 is about 906.2527542429.

The spelling of 744299999 in words is "seven hundred forty-four million, two hundred ninety-nine thousand, nine hundred ninety-nine".