3874015720 has 32 divisors (see below), whose sum is σ = 8718558120. Its totient is φ = 1549246720.

The previous prime is 3874015703. The next prime is 3874015751. The reversal of 3874015720 is 275104783.

It can be written as a sum of positive squares in 4 ways, for example, as 3370731364 + 503284356 = 58058^2 + 22434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3874015720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224190 + ... + 240850.

Almost surely, 2^3874015720 is an apocalyptic number.

It is an amenable number.

3874015720 is an abundant number, since it is smaller than the sum of its proper divisors (4844542400).

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

3874015720 is a wasteful number, since it uses less digits than its factorization.

3874015720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22485 (or 22481 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 3874015720 is about 62241.5915606277. The cubic root of 3874015720 is about 1570.5573257663.

The spelling of 3874015720 in words is "three billion, eight hundred seventy-four million, fifteen thousand, seven hundred twenty".