67642852352 has 44 divisors (see below), whose sum is σ = 135256851456. Its totient is φ = 33812121600.

The previous prime is 67642852313. The next prime is 67642852421. The reversal of 67642852352 is 25325824676.

It is a self number, because there is not a number n which added to its sum of digits gives 67642852352.

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, 5136977 + ... + 5150127.

Almost surely, 2^67642852352 is an apocalyptic number.

It is an amenable number.

67642852352 is a deficient number, since it is larger than the sum of its proper divisors (67613999104).

67642852352 is a wasteful number, since it uses less digits than its factorization.

67642852352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18194 (or 18176 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 67642852352 in words is "sixty-seven billion, six hundred forty-two million, eight hundred fifty-two thousand, three hundred fifty-two".