3771680 has 48 divisors (see below), whose sum is σ = 9725184. Its totient is φ = 1370880.

The previous prime is 3771679. The next prime is 3771689. The reversal of 3771680 is 861773.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3771689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (202608).

Almost surely, 2^3771680 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 3771680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4862592).

3771680 is an abundant number, since it is smaller than the sum of its proper divisors (5953504).

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

3771680 is a wasteful number, since it uses less digits than its factorization.

3771680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 3771680 is about 1942.0813577191. The cubic root of 3771680 is about 155.6604492827.

It can be divided in two parts, 37 and 71680, that added together give a palindrome (71717).

The spelling of 3771680 in words is "three million, seven hundred seventy-one thousand, six hundred eighty".