4780147 has 4 divisors (see below), whose sum is σ = 4784536. Its totient is φ = 4775760.

The previous prime is 4780133. The next prime is 4780151. The reversal of 4780147 is 7410874.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4780147 - 2¹⁹ = 4255859 is a prime.

It is a Duffinian number.

4780147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4780117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (1196134).

Almost surely, 2^4780147 is an apocalyptic number.

4780147 is a deficient number, since it is larger than the sum of its proper divisors (4389).

4780147 is a wasteful number, since it uses less digits than its factorization.

4780147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 4780147 is about 2186.3547287666. The cubic root of 4780147 is about 168.4536468458.

The spelling of 4780147 in words is "four million, seven hundred eighty thousand, one hundred forty-seven".