3778772 has 12 divisors (see below), whose sum is σ = 6703956. Its totient is φ = 1863360.

The previous prime is 3778771. The next prime is 3778793. The reversal of 3778772 is 2778773.

3778772 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 2515396 + 1263376 = 1586^2 + 1124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6179 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (558663).

Almost surely, 2^3778772 is an apocalyptic number.

It is an amenable number.

3778772 is a deficient number, since it is larger than the sum of its proper divisors (2925184).

3778772 is a wasteful number, since it uses less digits than its factorization.

3778772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018 (or 13016 counting only the distinct ones).

The product of its digits is 115248, while the sum is 41.

The square root of 3778772 is about 1943.9063763464. The cubic root of 3778772 is about 155.7579524910.

Subtracting from 3778772 its reverse (2778773), we obtain a palindrome (999999).

The spelling of 3778772 in words is "three million, seven hundred seventy-eight thousand, seven hundred seventy-two".