3625705785 has 16 divisors (see below), whose sum is σ = 6247370304. Its totient is φ = 1784962752.

The previous prime is 3625705751. The next prime is 3625705789. The reversal of 3625705785 is 5875075263.

3625705785 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3625705785 - 2¹¹ = 3625703737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3625705789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9296487 + ... + 9296876.

It is an arithmetic number, because the mean of its divisors is an integer number (390460644).

Almost surely, 2^3625705785 is an apocalyptic number.

It is an amenable number.

3625705785 is a deficient number, since it is larger than the sum of its proper divisors (2621664519).

3625705785 is a wasteful number, since it uses less digits than its factorization.

3625705785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18593384.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The square root of 3625705785 is about 60213.8338340950. The cubic root of 3625705785 is about 1536.2581027012.

The spelling of 3625705785 in words is "three billion, six hundred twenty-five million, seven hundred five thousand, seven hundred eighty-five".