67412340 has 72 divisors (see below), whose sum is σ = 205470720. Its totient is φ = 17889984.

The previous prime is 67412339. The next prime is 67412341. The reversal of 67412340 is 4321476.

It is an interprime number because it is at equal distance from previous prime (67412339) and next prime (67412341).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67412341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42237 + ... + 43803.

It is an arithmetic number, because the mean of its divisors is an integer number (2853760).

Almost surely, 2^67412340 is an apocalyptic number.

67412340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67412340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102735360).

67412340 is an abundant number, since it is smaller than the sum of its proper divisors (138058380).

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

67412340 is a wasteful number, since it uses less digits than its factorization.

67412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 67412340 is about 8210.5018117043. The cubic root of 67412340 is about 406.9863099509.

The spelling of 67412340 in words is "sixty-seven million, four hundred twelve thousand, three hundred forty".