67238788 has 24 divisors (see below), whose sum is σ = 120808800. Its totient is φ = 32733888.

The previous prime is 67238779. The next prime is 67238797. The reversal of 67238788 is 88783276.

It is an interprime number because it is at equal distance from previous prime (67238779) and next prime (67238797).

It is a super-2 number, since 2×67238788² = 9042109223417888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22443 + ... + 25261.

It is an arithmetic number, because the mean of its divisors is an integer number (5033700).

Almost surely, 2^67238788 is an apocalyptic number.

It is an amenable number.

67238788 is a deficient number, since it is larger than the sum of its proper divisors (53570012).

67238788 is a wasteful number, since it uses less digits than its factorization.

67238788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2977 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 67238788 is about 8199.9260972280. The cubic root of 67238788 is about 406.6367498670.

The spelling of 67238788 in words is "sixty-seven million, two hundred thirty-eight thousand, seven hundred eighty-eight".