3720276 has 144 divisors (see below), whose sum is σ = 12129600. Its totient is φ = 979776.

The previous prime is 3720253. The next prime is 3720293. The reversal of 3720276 is 6720273.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100530 + ... + 100566.

Almost surely, 2^3720276 is an apocalyptic number.

3720276 is a gapful number since it is divisible by the number (36) 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 3720276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6064800).

3720276 is an abundant number, since it is smaller than the sum of its proper divisors (8409324).

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

3720276 is a wasteful number, since it uses less digits than its factorization.

3720276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 3720276 is about 1928.8017005384. The cubic root of 3720276 is about 154.9500498084.

The spelling of 3720276 in words is "three million, seven hundred twenty thousand, two hundred seventy-six".