3720072306 has 16 divisors (see below), whose sum is σ = 7451408448. Its totient is φ = 1238146800.

The previous prime is 3720072283. The next prime is 3720072313. The reversal of 3720072306 is 6032700273.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465030 + ... + 472961.

It is an arithmetic number, because the mean of its divisors is an integer number (465713028).

Almost surely, 2^3720072306 is an apocalyptic number.

3720072306 is an abundant number, since it is smaller than the sum of its proper divisors (3731336142).

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

3720072306 is a wasteful number, since it uses less digits than its factorization.

3720072306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938657.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 3720072306 is about 60992.3954768133. The cubic root of 3720072306 is about 1549.4722179496.

Adding to 3720072306 its reverse (6032700273), we get a palindrome (9752772579).

The spelling of 3720072306 in words is "three billion, seven hundred twenty million, seventy-two thousand, three hundred six".