67334240 has 48 divisors (see below), whose sum is σ = 161708400. Its totient is φ = 26488320.

The previous prime is 67334227. The next prime is 67334249. The reversal of 67334240 is 4243376.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67334249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6311 + ... + 13209.

It is an arithmetic number, because the mean of its divisors is an integer number (3368925).

Almost surely, 2^67334240 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 67334240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80854200).

67334240 is an abundant number, since it is smaller than the sum of its proper divisors (94374160).

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

67334240 is a wasteful number, since it uses less digits than its factorization.

67334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 67334240 is about 8205.7443294317. The cubic root of 67334240 is about 406.8290790260.

The spelling of 67334240 in words is "sixty-seven million, three hundred thirty-four thousand, two hundred forty".