744164247 has 16 divisors (see below), whose sum is σ = 1002516480. Its totient is φ = 490980672.

The previous prime is 744164237. The next prime is 744164257. The reversal of 744164247 is 742461447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (744164237) and next prime (744164257).

It is not a de Polignac number, because 744164247 - 2⁷ = 744164119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744164237) 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, 166579 + ... + 170987.

It is an arithmetic number, because the mean of its divisors is an integer number (62657280).

Almost surely, 2^744164247 is an apocalyptic number.

744164247 is a deficient number, since it is larger than the sum of its proper divisors (258352233).

744164247 is a wasteful number, since it uses less digits than its factorization.

744164247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982.

The product of its digits is 150528, while the sum is 39.

The square root of 744164247 is about 27279.3740214104. The cubic root of 744164247 is about 906.1976541022.

The spelling of 744164247 in words is "seven hundred forty-four million, one hundred sixty-four thousand, two hundred forty-seven".