3725621610 has 64 divisors (see below), whose sum is σ = 9023875200. Its totient is φ = 984390912.

The previous prime is 3725621597. The next prime is 3725621617. The reversal of 3725621610 is 161265273.

3725621610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3725621617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558296 + ... + 1560684.

It is an arithmetic number, because the mean of its divisors is an integer number (140998050).

Almost surely, 2^3725621610 is an apocalyptic number.

3725621610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3725621610 is an abundant number, since it is smaller than the sum of its proper divisors (5298253590).

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

3725621610 is a wasteful number, since it uses less digits than its factorization.

3725621610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3725621610 is about 61037.8702937775. The cubic root of 3725621610 is about 1550.2422944156.

Adding to 3725621610 its reverse (161265273), we get a palindrome (3886886883).

The spelling of 3725621610 in words is "three billion, seven hundred twenty-five million, six hundred twenty-one thousand, six hundred ten".