3705227920 has 40 divisors (see below), whose sum is σ = 8911717560. Its totient is φ = 1430983680.

The previous prime is 3705227893. The next prime is 3705227923. The reversal of 3705227920 is 297225073.

It can be written as a sum of positive squares in 4 ways, for example, as 2262016 + 3702965904 = 1504^2 + 60852^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3705227920.

It is not an unprimeable number, because it can be changed into a prime (3705227923) 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, 796221 + ... + 800860.

It is an arithmetic number, because the mean of its divisors is an integer number (222792939).

Almost surely, 2^3705227920 is an apocalyptic number.

It is an amenable number.

3705227920 is an abundant number, since it is smaller than the sum of its proper divisors (5206489640).

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

3705227920 is a wasteful number, since it uses less digits than its factorization.

3705227920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597123 (or 1597117 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 3705227920 is about 60870.5833716090. The cubic root of 3705227920 is about 1547.4084923223.

The spelling of 3705227920 in words is "three billion, seven hundred five million, two hundred twenty-seven thousand, nine hundred twenty".