4073778 has 24 divisors (see below), whose sum is σ = 9346428. Its totient is φ = 1277952.

The previous prime is 4073749. The next prime is 4073791. The reversal of 4073778 is 8773704.

It is a happy number.

4073778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4052169 + 21609 = 2013^2 + 147^2 .

It is an Ulam number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6351 + ... + 6962.

Almost surely, 2^4073778 is an apocalyptic number.

4073778 is an abundant number, since it is smaller than the sum of its proper divisors (5272650).

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

4073778 is a wasteful number, since it uses less digits than its factorization.

4073778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13338 (or 13335 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 4073778 is about 2018.3602255296. The cubic root of 4073778 is about 159.7101261912.

It can be divided in two parts, 4073 and 778, that added together give a triangular number (4851 = T₉₈).

The spelling of 4073778 in words is "four million, seventy-three thousand, seven hundred seventy-eight".