67424424 has 16 divisors (see below), whose sum is σ = 168561120. Its totient is φ = 22474800.

The previous prime is 67424419. The next prime is 67424443. The reversal of 67424424 is 42442476.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404652 + ... + 1404699.

It is an arithmetic number, because the mean of its divisors is an integer number (10535070).

Almost surely, 2^67424424 is an apocalyptic number.

It is an amenable number.

67424424 is an abundant number, since it is smaller than the sum of its proper divisors (101136696).

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

67424424 is a wasteful number, since it uses less digits than its factorization.

67424424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809360 (or 2809356 counting only the distinct ones).

The product of its digits is 43008, while the sum is 33.

The square root of 67424424 is about 8211.2376655410. The cubic root of 67424424 is about 407.0106266103.

The spelling of 67424424 in words is "sixty-seven million, four hundred twenty-four thousand, four hundred twenty-four".