667532352 has 56 divisors (see below), whose sum is σ = 1803782016. Its totient is φ = 217773568.

The previous prime is 667532351. The next prime is 667532389. The reversal of 667532352 is 253235766.

It is a self number, because there is not a number n which added to its sum of digits gives 667532352.

It is not an unprimeable number, because it can be changed into a prime (667532351) 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, 27963 + ... + 46010.

Almost surely, 2^667532352 is an apocalyptic number.

It is an amenable number.

667532352 is an abundant number, since it is smaller than the sum of its proper divisors (1136249664).

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

667532352 is a wasteful number, since it uses less digits than its factorization.

667532352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74035 (or 74025 counting only the distinct ones).

The product of its digits is 226800, while the sum is 39.

The square root of 667532352 is about 25836.6474605356. The cubic root of 667532352 is about 873.9584240844.

The spelling of 667532352 in words is "six hundred sixty-seven million, five hundred thirty-two thousand, three hundred fifty-two".