3775280 has 40 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 1472000.

The previous prime is 3775201. The next prime is 3775297. The reversal of 3775280 is 825773.

3775280 = 67² + 68² + ... + 226².

3775280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 2705 + ... + 3855.

Almost surely, 2^3775280 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 3775280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712).

3775280 is an abundant number, since it is smaller than the sum of its proper divisors (5224144).

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

3775280 is a wasteful number, since it uses less digits than its factorization.

3775280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 3775280 is about 1943.0079773382. The cubic root of 3775280 is about 155.7099585573.

The spelling of 3775280 in words is "three million, seven hundred seventy-five thousand, two hundred eighty".