67424613 has 8 divisors (see below), whose sum is σ = 89938176. Its totient is φ = 44930400.

The previous prime is 67424593. The next prime is 67424633. The reversal of 67424613 is 31642476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67424593) and next prime (67424633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67424613 - 2⁶ = 67424549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67424633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8748 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (11242272).

Almost surely, 2^67424613 is an apocalyptic number.

It is an amenable number.

67424613 is a deficient number, since it is larger than the sum of its proper divisors (22513563).

67424613 is a wasteful number, since it uses less digits than its factorization.

67424613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675.

The product of its digits is 24192, while the sum is 33.

The square root of 67424613 is about 8211.2491741513. The cubic root of 67424613 is about 407.0110069124.

The spelling of 67424613 in words is "sixty-seven million, four hundred twenty-four thousand, six hundred thirteen".