3721030000 has 100 divisors (see below), whose sum is σ = 9077188120. Its totient is φ = 1477152000.

The previous prime is 3721029941. The next prime is 3721030003. The reversal of 3721030000 is 301273.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721030003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1388662 + ... + 1391338.

Almost surely, 2^3721030000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3721030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4538594060).

3721030000 is an abundant number, since it is smaller than the sum of its proper divisors (5356158120).

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

3721030000 is a wasteful number, since it uses less digits than its factorization.

3721030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 3721030000 is about 61000.2459011437. The cubic root of 3721030000 is about 1549.6051717206.

Adding to 3721030000 its reverse (301273), we get a palindrome (3721331273).

The spelling of 3721030000 in words is "three billion, seven hundred twenty-one million, thirty thousand".