4724398447 has 4 divisors (see below), whose sum is σ = 5002304256. Its totient is φ = 4446492640.

The previous prime is 4724398423. The next prime is 4724398453. The reversal of 4724398447 is 7448934274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7448934274 = 2 ⋅3724467137.

It is a cyclic number.

It is not a de Polignac number, because 4724398447 - 2⁷ = 4724398319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4724398394 and 4724398403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4724398477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138952879 + ... + 138952912.

It is an arithmetic number, because the mean of its divisors is an integer number (1250576064).

Almost surely, 2^4724398447 is an apocalyptic number.

4724398447 is a deficient number, since it is larger than the sum of its proper divisors (277905809).

4724398447 is a wasteful number, since it uses less digits than its factorization.

4724398447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277905808.

The product of its digits is 5419008, while the sum is 52.

The square root of 4724398447 is about 68734.2596308420. The cubic root of 4724398447 is about 1677.9621983867.

The spelling of 4724398447 in words is "four billion, seven hundred twenty-four million, three hundred ninety-eight thousand, four hundred forty-seven".