3720900 has 72 divisors (see below), whose sum is σ = 10971520. Its totient is φ = 973440.

The previous prime is 3720889. The next prime is 3720907. The reversal of 3720900 is 90273.

It is not an unprimeable number, because it can be changed into a prime (3720907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23622 + ... + 23778.

Almost surely, 2^3720900 is an apocalyptic number.

3720900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3720900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5485760).

3720900 is an abundant number, since it is smaller than the sum of its proper divisors (7250620).

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

3720900 is a wasteful number, since it uses less digits than its factorization.

3720900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 3720900 is about 1928.9634522199. The cubic root of 3720900 is about 154.9587125551.

The spelling of 3720900 in words is "three million, seven hundred twenty thousand, nine hundred".