6672325590 has 168 divisors, whose sum is σ = 20948088240. Its totient is φ = 1525021344.

The previous prime is 6672325571. The next prime is 6672325591. The reversal of 6672325590 is 955232766.

6672325590 is a `hidden beast` number, since 6 + 67 + 2 + 32 + 559 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6672325591) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 347871 + ... + 366549.

Almost surely, 2^6672325590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6672325590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10474044120).

6672325590 is an abundant number, since it is smaller than the sum of its proper divisors (14275762650).

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

6672325590 is a wasteful number, since it uses less digits than its factorization.

6672325590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18718 (or 18696 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 6672325590 is about 81684.3044286967. The cubic root of 6672325590 is about 1882.6044322313.

The spelling of 6672325590 in words is "six billion, six hundred seventy-two million, three hundred twenty-five thousand, five hundred ninety".