744750447 has 16 divisors (see below), whose sum is σ = 1140805632. Its totient is φ = 423341280.

The previous prime is 744750439. The next prime is 744750473. The reversal of 744750447 is 744057447.

It is a happy number.

It is not a de Polignac number, because 744750447 - 2³ = 744750439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744750399 and 744750408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744750427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88828 + ... + 96849.

It is an arithmetic number, because the mean of its divisors is an integer number (71300352).

Almost surely, 2^744750447 is an apocalyptic number.

744750447 is a deficient number, since it is larger than the sum of its proper divisors (396055185).

744750447 is a wasteful number, since it uses less digits than its factorization.

744750447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185878.

The product of its (nonzero) digits is 439040, while the sum is 42.

The square root of 744750447 is about 27290.1162877698. The cubic root of 744750447 is about 906.4355378059.

The spelling of 744750447 in words is "seven hundred forty-four million, seven hundred fifty thousand, four hundred forty-seven".