6600072 has 16 divisors (see below), whose sum is σ = 16500240. Its totient is φ = 2200016.

The previous prime is 6600071. The next prime is 6600101. The reversal of 6600072 is 2700066.

It is not an unprimeable number, because it can be changed into a prime (6600071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137478 + ... + 137525.

It is an arithmetic number, because the mean of its divisors is an integer number (1031265).

Almost surely, 2^6600072 is an apocalyptic number.

It is an amenable number.

6600072 is an abundant number, since it is smaller than the sum of its proper divisors (9900168).

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

6600072 is a wasteful number, since it uses less digits than its factorization.

6600072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275012 (or 275008 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 6600072 is about 2569.0605286758. The cubic root of 6600072 is about 187.5784276351.

The spelling of 6600072 in words is "six million, six hundred thousand, seventy-two".