4747779 has 12 divisors (see below), whose sum is σ = 6877416. Its totient is φ = 3156192.

The previous prime is 4747753. The next prime is 4747819. The reversal of 4747779 is 9777474.

It is not a de Polignac number, because 4747779 - 2⁵ = 4747747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4747079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4599 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (573118).

Almost surely, 2^4747779 is an apocalyptic number.

4747779 is a deficient number, since it is larger than the sum of its proper divisors (2129637).

4747779 is a wasteful number, since it uses less digits than its factorization.

4747779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1503 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 4747779 is about 2178.9398798498. The cubic root of 4747779 is about 168.0725664400.

The spelling of 4747779 in words is "four million, seven hundred forty-seven thousand, seven hundred seventy-nine".