4778973 has 16 divisors (see below), whose sum is σ = 7117440. Its totient is φ = 3169152.

The previous prime is 4778953. The next prime is 4778981. The reversal of 4778973 is 3798774.

It is not a de Polignac number, because 4778973 - 2¹² = 4774877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6765 + ... + 7437.

It is an arithmetic number, because the mean of its divisors is an integer number (444840).

Almost surely, 2^4778973 is an apocalyptic number.

It is an amenable number.

4778973 is a deficient number, since it is larger than the sum of its proper divisors (2338467).

4778973 is a wasteful number, since it uses less digits than its factorization.

4778973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 939 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 4778973 is about 2186.0862288574. The cubic root of 4778973 is about 168.4398550263.

The spelling of 4778973 in words is "four million, seven hundred seventy-eight thousand, nine hundred seventy-three".