4546778 has 16 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 2150016.

The previous prime is 4546771. The next prime is 4546783. The reversal of 4546778 is 8776454.

It is not an unprimeable number, because it can be changed into a prime (4546771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (449820).

Almost surely, 2^4546778 is an apocalyptic number.

4546778 is a deficient number, since it is larger than the sum of its proper divisors (2650342).

4546778 is a wasteful number, since it uses less digits than its factorization.

4546778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its digits is 188160, while the sum is 41.

The square root of 4546778 is about 2132.3175185699. The cubic root of 4546778 is about 165.6664565976. Note that the first 3 decimals are identical.

The spelling of 4546778 in words is "four million, five hundred forty-six thousand, seven hundred seventy-eight".