3720072 has 16 divisors (see below), whose sum is σ = 9300240. Its totient is φ = 1240016.

The previous prime is 3720037. The next prime is 3720103. The reversal of 3720072 is 2700273.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77478 + ... + 77525.

It is an arithmetic number, because the mean of its divisors is an integer number (581265).

Almost surely, 2^3720072 is an apocalyptic number.

It is an amenable number.

3720072 is an abundant number, since it is smaller than the sum of its proper divisors (5580168).

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

3720072 is a wasteful number, since it uses less digits than its factorization.

3720072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155012 (or 155008 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 3720072 is about 1928.7488172388. The cubic root of 3720072 is about 154.9472175465.

The spelling of 3720072 in words is "three million, seven hundred twenty thousand, seventy-two".