3721244500 has 24 divisors (see below), whose sum is σ = 8127199080. Its totient is φ = 1488497600.

The previous prime is 3721244491. The next prime is 3721244509. The reversal of 3721244500 is 54421273.

It is an interprime number because it is at equal distance from previous prime (3721244491) and next prime (3721244509).

It can be written as a sum of positive squares in 4 ways, for example, as 858138436 + 2863106064 = 29294^2 + 53508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721244509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720745 + ... + 3721744.

It is an arithmetic number, because the mean of its divisors is an integer number (338633295).

Almost surely, 2^3721244500 is an apocalyptic number.

It is an amenable number.

3721244500 is an abundant number, since it is smaller than the sum of its proper divisors (4405954580).

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

3721244500 is a wasteful number, since it uses less digits than its factorization.

3721244500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442508 (or 7442496 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 3721244500 is about 61002.0040654403. The cubic root of 3721244500 is about 1549.6349469820.

Adding to 3721244500 its reverse (54421273), we get a palindrome (3775665773).

The spelling of 3721244500 in words is "three billion, seven hundred twenty-one million, two hundred forty-four thousand, five hundred".