67660052 has 12 divisors (see below), whose sum is σ = 118697460. Its totient is φ = 33746496.

The previous prime is 67660049. The next prime is 67660069. The reversal of 67660052 is 25006676.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 12988816 = 7394^2 + 3604^2 .

It is a congruent number.

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, 19043 + ... + 22314.

It is an arithmetic number, because the mean of its divisors is an integer number (9891455).

Almost surely, 2^67660052 is an apocalyptic number.

It is an amenable number.

67660052 is a deficient number, since it is larger than the sum of its proper divisors (51037408).

67660052 is a wasteful number, since it uses less digits than its factorization.

67660052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41770 (or 41768 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 67660052 is about 8225.5730499461. The cubic root of 67660052 is about 407.4842017788.

The spelling of 67660052 in words is "sixty-seven million, six hundred sixty thousand, fifty-two".