667445032 has 16 divisors (see below), whose sum is σ = 1252157760. Its totient is φ = 333536304.

The previous prime is 667445017. The next prime is 667445099. The reversal of 667445032 is 230544766.

It is a junction number, because it is equal to n+sod(n) for n = 667444982 and 667445000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7408 + ... + 37279.

It is an arithmetic number, because the mean of its divisors is an integer number (78259860).

Almost surely, 2^667445032 is an apocalyptic number.

It is an amenable number.

667445032 is a deficient number, since it is larger than the sum of its proper divisors (584712728).

667445032 is a wasteful number, since it uses less digits than its factorization.

667445032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46560 (or 46556 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 667445032 is about 25834.9575575421. The cubic root of 667445032 is about 873.9203148816.

Adding to 667445032 its reverse (230544766), we get a palindrome (897989798).

The spelling of 667445032 in words is "six hundred sixty-seven million, four hundred forty-five thousand, thirty-two".