4780047 has 4 divisors (see below), whose sum is σ = 6373400. Its totient is φ = 3186696.

The previous prime is 4780037. The next prime is 4780051. The reversal of 4780047 is 7400874.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4780047 - 2¹² = 4775951 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4779996 and 4780023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780007) 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, 796672 + ... + 796677.

It is an arithmetic number, because the mean of its divisors is an integer number (1593350).

Almost surely, 2^4780047 is an apocalyptic number.

4780047 is a deficient number, since it is larger than the sum of its proper divisors (1593353).

4780047 is a wasteful number, since it uses less digits than its factorization.

4780047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593352.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 4780047 is about 2186.3318595309. The cubic root of 4780047 is about 168.4524721621.

The spelling of 4780047 in words is "four million, seven hundred eighty thousand, forty-seven".