744472147 has 4 divisors (see below), whose sum is σ = 744710680. Its totient is φ = 744233616.

The previous prime is 744472123. The next prime is 744472159. The reversal of 744472147 is 741274447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741274447 = 109 ⋅6800683.

It is a cyclic number.

It is not a de Polignac number, because 744472147 - 2¹⁵ = 744439379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744472247) 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, 114522 + ... + 120847.

It is an arithmetic number, because the mean of its divisors is an integer number (186177670).

Almost surely, 2^744472147 is an apocalyptic number.

744472147 is a deficient number, since it is larger than the sum of its proper divisors (238533).

744472147 is a wasteful number, since it uses less digits than its factorization.

744472147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238532.

The product of its digits is 175616, while the sum is 40.

The square root of 744472147 is about 27285.0168957250. The cubic root of 744472147 is about 906.3226174581.

The spelling of 744472147 in words is "seven hundred forty-four million, four hundred seventy-two thousand, one hundred forty-seven".