67407340 has 216 divisors, whose sum is σ = 199774512. Its totient is φ = 18869760.

The previous prime is 67407331. The next prime is 67407349. The reversal of 67407340 is 4370476.

It is an interprime number because it is at equal distance from previous prime (67407331) and next prime (67407349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67407349) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1821802 + ... + 1821838.

It is an arithmetic number, because the mean of its divisors is an integer number (924882).

Almost surely, 2^67407340 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 67407340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99887256).

67407340 is an abundant number, since it is smaller than the sum of its proper divisors (132367172).

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

67407340 is a wasteful number, since it uses less digits than its factorization.

67407340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 67407340 is about 8210.1973179699. The cubic root of 67407340 is about 406.9762475901.

The spelling of 67407340 in words is "sixty-seven million, four hundred seven thousand, three hundred forty".