4778064 has 30 divisors (see below), whose sum is σ = 13372346. Its totient is φ = 1592640.

The previous prime is 4778051. The next prime is 4778077. The reversal of 4778064 is 4608774.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4778051) and next prime (4778077).

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 810000 = 1992^2 + 900^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16447 + ... + 16734.

Almost surely, 2^4778064 is an apocalyptic number.

It is an amenable number.

4778064 is an abundant number, since it is smaller than the sum of its proper divisors (8594282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778064 is a wasteful number, since it uses less digits than its factorization.

4778064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33195 (or 33186 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 4778064 is about 2185.8783131730. The cubic root of 4778064 is about 168.4291748002.

The spelling of 4778064 in words is "four million, seven hundred seventy-eight thousand, sixty-four".