6650072 has 32 divisors (see below), whose sum is σ = 14651280. Its totient is φ = 2789760.

The previous prime is 6650071. The next prime is 6650093. The reversal of 6650072 is 2700566.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 4050.

Almost surely, 2^6650072 is an apocalyptic number.

It is an amenable number.

6650072 is an abundant number, since it is smaller than the sum of its proper divisors (8001208).

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

6650072 is a wasteful number, since it uses less digits than its factorization.

6650072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 6650072 is about 2578.7733518090. The cubic root of 6650072 is about 188.0509142319.

The spelling of 6650072 in words is "six million, six hundred fifty thousand, seventy-two".