3775481320 has 64 divisors (see below), whose sum is σ = 9443427840. Its totient is φ = 1349049600.

The previous prime is 3775481263. The next prime is 3775481321. The reversal of 3775481320 is 231845773.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3775481321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100986 + ... + 133225.

It is an arithmetic number, because the mean of its divisors is an integer number (147553560).

Almost surely, 2^3775481320 is an apocalyptic number.

It is an amenable number.

3775481320 is an abundant number, since it is smaller than the sum of its proper divisors (5667946520).

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

3775481320 is a wasteful number, since it uses less digits than its factorization.

3775481320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234266 (or 234262 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 3775481320 is about 61444.9454389863. The cubic root of 3775481320 is about 1557.1272629650.

The spelling of 3775481320 in words is "three billion, seven hundred seventy-five million, four hundred eighty-one thousand, three hundred twenty".