67430340 has 96 divisors (see below), whose sum is σ = 211196160. Its totient is φ = 17860608.

The previous prime is 67430339. The next prime is 67430351. The reversal of 67430340 is 4303476.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 103897 + ... + 104543.

It is an arithmetic number, because the mean of its divisors is an integer number (2199960).

Almost surely, 2^67430340 is an apocalyptic number.

67430340 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 67430340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105598080).

67430340 is an abundant number, since it is smaller than the sum of its proper divisors (143765820).

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

67430340 is a wasteful number, since it uses less digits than its factorization.

67430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 67430340 is about 8211.5978956595. The cubic root of 67430340 is about 407.0225303306.

The spelling of 67430340 in words is "sixty-seven million, four hundred thirty thousand, three hundred forty".