744727406 has 16 divisors (see below), whose sum is σ = 1161817008. Its totient is φ = 357739200.

The previous prime is 744727393. The next prime is 744727411. The reversal of 744727406 is 604727447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65735 + ... + 76226.

It is an arithmetic number, because the mean of its divisors is an integer number (72613563).

Almost surely, 2^744727406 is an apocalyptic number.

744727406 is a deficient number, since it is larger than the sum of its proper divisors (417089602).

744727406 is a wasteful number, since it uses less digits than its factorization.

744727406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142067.

The product of its (nonzero) digits is 263424, while the sum is 41.

The square root of 744727406 is about 27289.6941353325. The cubic root of 744727406 is about 906.4261899782.

Adding to 744727406 its sum of digits (41), we get a palindrome (744727447).

The spelling of 744727406 in words is "seven hundred forty-four million, seven hundred twenty-seven thousand, four hundred six".