4666778 has 4 divisors (see below), whose sum is σ = 7000170. Its totient is φ = 2333388.

The previous prime is 4666777. The next prime is 4666801. The reversal of 4666778 is 8776664.

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

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 1270129 = 1843^2 + 1127^2 .

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4666777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1166693 + ... + 1166696.

Almost surely, 2^4666778 is an apocalyptic number.

4666778 is a deficient number, since it is larger than the sum of its proper divisors (2333392).

4666778 is a wasteful number, since it uses less digits than its factorization.

4666778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333391.

The product of its digits is 338688, while the sum is 44.

The square root of 4666778 is about 2160.2726679750. The cubic root of 4666778 is about 167.1112600768. Note that the first 3 decimals are identical.

The spelling of 4666778 in words is "four million, six hundred sixty-six thousand, seven hundred seventy-eight".