67996602 has 72 divisors (see below), whose sum is σ = 158991924. Its totient is φ = 20984832.

The previous prime is 67996589. The next prime is 67996613. The reversal of 67996602 is 20669976.

It can be written as a sum of positive squares in 2 ways, for example, as 67420521 + 576081 = 8211^2 + 759^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 352218 + ... + 352410.

Almost surely, 2^67996602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67996602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79495962).

67996602 is an abundant number, since it is smaller than the sum of its proper divisors (90995322).

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

67996602 is a wasteful number, since it uses less digits than its factorization.

67996602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 67996602 is about 8246.0052146479. The cubic root of 67996602 is about 408.1587113216.

The spelling of 67996602 in words is "sixty-seven million, nine hundred ninety-six thousand, six hundred two".