67989952 has 14 divisors (see below), whose sum is σ = 134917688. Its totient is φ = 33994944.

The previous prime is 67989907. The next prime is 67989959. The reversal of 67989952 is 25998976.

It is a junction number, because it is equal to n+sod(n) for n = 67989893 and 67989902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67989959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531108 + ... + 531235.

Almost surely, 2^67989952 is an apocalyptic number.

It is an amenable number.

67989952 is a deficient number, since it is larger than the sum of its proper divisors (66927736).

67989952 is a wasteful number, since it uses less digits than its factorization.

67989952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062355 (or 1062345 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 67989952 is about 8245.6019792372. The cubic root of 67989952 is about 408.1454050492.

The spelling of 67989952 in words is "sixty-seven million, nine hundred eighty-nine thousand, nine hundred fifty-two".