67396434424 has 16 divisors (see below), whose sum is σ = 137856343320. Its totient is φ = 30634742880.

The previous prime is 67396434419. The next prime is 67396434437. The reversal of 67396434424 is 42443469376.

It is a congruent number.

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, 382934199 + ... + 382934374.

Almost surely, 2^67396434424 is an apocalyptic number.

It is an amenable number.

67396434424 is an abundant number, since it is smaller than the sum of its proper divisors (70459908896).

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

67396434424 is a wasteful number, since it uses less digits than its factorization.

67396434424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765868590 (or 765868586 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 52.

The spelling of 67396434424 in words is "sixty-seven billion, three hundred ninety-six million, four hundred thirty-four thousand, four hundred twenty-four".