3721244004 has 45 divisors (see below), whose sum is σ = 9730938217. Its totient is φ = 1240048656.

The previous prime is 3721243973. The next prime is 3721244017. The reversal of 3721244004 is 4004421273.

The square root of 3721244004 is 61002.

It is a perfect power (a square), and thus also a powerful number.

3721244004 is a `hidden beast` number, since 3 + 7 + 212 + 440 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3612250404 + 108993600 = 60102^2 + 10440^2 .

It is a super-3 number, since 3×3721244004³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1096342 + ... + 1099730.

Almost surely, 2^3721244004 is an apocalyptic number.

3721244004 is the 61002-nd square number.

It is an amenable number.

3721244004 is an abundant number, since it is smaller than the sum of its proper divisors (6009694213).

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

3721244004 is an frugal number, since it uses more digits than its factorization.

3721244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The cubic root of 3721244004 is about 1549.6348781323.

Adding to 3721244004 its reverse (4004421273), we get a palindrome (7725665277).

The spelling of 3721244004 in words is "three billion, seven hundred twenty-one million, two hundred forty-four thousand, four".