3720800500 has 24 divisors (see below), whose sum is σ = 8126229384. Its totient is φ = 1488320000.

The previous prime is 3720800491. The next prime is 3720800519. The reversal of 3720800500 is 50080273.

It can be written as a sum of positive squares in 4 ways, for example, as 233661796 + 3487138704 = 15286^2 + 59052^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3720301 + ... + 3721300.

It is an arithmetic number, because the mean of its divisors is an integer number (338592891).

Almost surely, 2^3720800500 is an apocalyptic number.

It is an amenable number.

3720800500 is an abundant number, since it is smaller than the sum of its proper divisors (4405428884).

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

3720800500 is a wasteful number, since it uses less digits than its factorization.

3720800500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441620 (or 7441608 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3720800500 is about 60998.3647321795. The cubic root of 3720800500 is about 1549.5733130059.

Adding to 3720800500 its reverse (50080273), we get a palindrome (3770880773).

The spelling of 3720800500 in words is "three billion, seven hundred twenty million, eight hundred thousand, five hundred".