3720100 has 18 divisors (see below), whose sum is σ = 8072834. Its totient is φ = 1488000.

The previous prime is 3720037. The next prime is 3720103. The reversal of 3720100 is 10273.

It can be written as a sum of positive squares in 3 ways, for example, as 2916 + 3717184 = 54^2 + 1928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18501 + ... + 18700.

Almost surely, 2^3720100 is an apocalyptic number.

It is an amenable number.

3720100 is an abundant number, since it is smaller than the sum of its proper divisors (4352734).

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

3720100 is a wasteful number, since it uses less digits than its factorization.

3720100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37215 (or 37208 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 3720100 is about 1928.7560758167. The cubic root of 3720100 is about 154.9476062944.

Adding to 3720100 its reverse (10273), we get a palindrome (3730373).

The spelling of 3720100 in words is "three million, seven hundred twenty thousand, one hundred".