4728643207 has 4 divisors (see below), whose sum is σ = 4730911056. Its totient is φ = 4726375360.

The previous prime is 4728643181. The next prime is 4728643237. The reversal of 4728643207 is 7023468274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7023468274 = 2 ⋅3511734137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4728643207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728643237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130794 + ... + 1134967.

It is an arithmetic number, because the mean of its divisors is an integer number (1182727764).

Almost surely, 2^4728643207 is an apocalyptic number.

4728643207 is a deficient number, since it is larger than the sum of its proper divisors (2267849).

4728643207 is a wasteful number, since it uses less digits than its factorization.

4728643207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267848.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 4728643207 is about 68765.1307495303. The cubic root of 4728643207 is about 1678.4645843743.

The spelling of 4728643207 in words is "four billion, seven hundred twenty-eight million, six hundred forty-three thousand, two hundred seven".