67424000 has 216 divisors, whose sum is σ = 199927728. Its totient is φ = 22579200.

The previous prime is 67423973. The next prime is 67424009. The reversal of 67424000 is 42476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67424009) 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, 1567979 + ... + 1568021.

Almost surely, 2^67424000 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 67424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99963864).

67424000 is an abundant number, since it is smaller than the sum of its proper divisors (132503728).

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

67424000 is an equidigital number, since it uses as much as digits as its factorization.

67424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 67424000 is about 8211.2118472245. The cubic root of 67424000 is about 407.0097734434.

Adding to 67424000 its reverse (42476), we get a palindrome (67466476).

The spelling of 67424000 in words is "sixty-seven million, four hundred twenty-four thousand".