3705225520 has 40 divisors (see below), whose sum is σ = 8620943760. Its totient is φ = 1481007360.

The previous prime is 3705225509. The next prime is 3705225521. The reversal of 3705225520 is 255225073.

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

It is not an unprimeable number, because it can be changed into a prime (3705225521) 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, 98115 + ... + 130525.

It is an arithmetic number, because the mean of its divisors is an integer number (215523594).

Almost surely, 2^3705225520 is an apocalyptic number.

It is an amenable number.

3705225520 is an abundant number, since it is smaller than the sum of its proper divisors (4915718240).

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

3705225520 is a wasteful number, since it uses less digits than its factorization.

3705225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33853 (or 33847 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 3705225520 is about 60870.5636576498. The cubic root of 3705225520 is about 1547.4081582195.

The spelling of 3705225520 in words is "three billion, seven hundred five million, two hundred twenty-five thousand, five hundred twenty".