67340988 has 144 divisors (see below), whose sum is σ = 203513856. Its totient is φ = 18506880.

The previous prime is 67340953. The next prime is 67341013. The reversal of 67340988 is 88904376.

It is a happy number.

It is a super-2 number, since 2×67340988² = 9069617329632288, which contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 530181 + ... + 530307.

Almost surely, 2^67340988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67340988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101756928).

67340988 is an abundant number, since it is smaller than the sum of its proper divisors (136172868).

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

67340988 is a wasteful number, since it uses less digits than its factorization.

67340988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 67340988 is about 8206.1554945053. The cubic root of 67340988 is about 406.8426688971.

The spelling of 67340988 in words is "sixty-seven million, three hundred forty thousand, nine hundred eighty-eight".