67423400 has 96 divisors (see below), whose sum is σ = 180122400. Its totient is φ = 23212800.

The previous prime is 67423397. The next prime is 67423403. The reversal of 67423400 is 432476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67423397) and next prime (67423403).

It is a self number, because there is not a number n which added to its sum of digits gives 67423400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67423403) 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, 40994 + ... + 42606.

It is an arithmetic number, because the mean of its divisors is an integer number (1876275).

Almost surely, 2^67423400 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 67423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90061200).

67423400 is an abundant number, since it is smaller than the sum of its proper divisors (112699000).

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

67423400 is a wasteful number, since it uses less digits than its factorization.

67423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 67423400 is about 8211.1753117322. The cubic root of 67423400 is about 407.0085661256.

Adding to 67423400 its reverse (432476), we get a palindrome (67855876).

The spelling of 67423400 in words is "sixty-seven million, four hundred twenty-three thousand, four hundred".