3772780 has 36 divisors (see below), whose sum is σ = 8714160. Its totient is φ = 1371040.

The previous prime is 3772771. The next prime is 3772801. The reversal of 3772780 is 872773.

3772780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 1641 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (242060).

Almost surely, 2^3772780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3772780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4357080).

3772780 is an abundant number, since it is smaller than the sum of its proper divisors (4941380).

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

3772780 is a wasteful number, since it uses less digits than its factorization.

3772780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 3772780 is about 1942.3645383913. The cubic root of 3772780 is about 155.6755804578.

The spelling of 3772780 in words is "three million, seven hundred seventy-two thousand, seven hundred eighty".