3280707072 has 60 divisors (see below), whose sum is σ = 9468356040. Its totient is φ = 1093567488.

The previous prime is 3280707043. The next prime is 3280707103. The reversal of 3280707072 is 2707070823.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351372 + ... + 360587.

It is an arithmetic number, because the mean of its divisors is an integer number (157805934).

Almost surely, 2^3280707072 is an apocalyptic number.

3280707072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3280707072 is an abundant number, since it is smaller than the sum of its proper divisors (6187648968).

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

3280707072 is an equidigital number, since it uses as much as digits as its factorization.

3280707072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711983 (or 711964 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 3280707072 is about 57277.4569267875. The cubic root of 3280707072 is about 1485.8985250247.

Adding to 3280707072 its reverse (2707070823), we get a palindrome (5987777895).

The spelling of 3280707072 in words is "three billion, two hundred eighty million, seven hundred seven thousand, seventy-two".