744427375 has 8 divisors (see below), whose sum is σ = 929045520. Its totient is φ = 595541800.

The previous prime is 744427363. The next prime is 744427379. The reversal of 744427375 is 573724447.

It is not a de Polignac number, because 744427375 - 2¹¹ = 744425327 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744427379) 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 7 ways as a sum of consecutive naturals, for example, 2977585 + ... + 2977834.

It is an arithmetic number, because the mean of its divisors is an integer number (116130690).

Almost surely, 2^744427375 is an apocalyptic number.

744427375 is a deficient number, since it is larger than the sum of its proper divisors (184618145).

744427375 is an equidigital number, since it uses as much as digits as its factorization.

744427375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955434 (or 5955424 counting only the distinct ones).

The product of its digits is 658560, while the sum is 43.

The square root of 744427375 is about 27284.1964331002. The cubic root of 744427375 is about 906.3044485716.

The spelling of 744427375 in words is "seven hundred forty-four million, four hundred twenty-seven thousand, three hundred seventy-five".