3721200330 has 64 divisors (see below), whose sum is σ = 9094901760. Its totient is φ = 974260224.

The previous prime is 3721200283. The next prime is 3721200359. The reversal of 3721200330 is 330021273.

3721200330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3721200297 and 3721200306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364536 + ... + 374604.

It is an arithmetic number, because the mean of its divisors is an integer number (142107840).

Almost surely, 2^3721200330 is an apocalyptic number.

3721200330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3721200330 is an abundant number, since it is smaller than the sum of its proper divisors (5373701430).

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

3721200330 is a wasteful number, since it uses less digits than its factorization.

3721200330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10303.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 3721200330 is about 61001.6420270799. The cubic root of 3721200330 is about 1549.6288157315.

The spelling of 3721200330 in words is "three billion, seven hundred twenty-one million, two hundred thousand, three hundred thirty".