67436532427 has 8 divisors (see below), whose sum is σ = 76765697280. Its totient is φ = 58640462760.

The previous prime is 67436532413. The next prime is 67436532461. The reversal of 67436532427 is 72423563476.

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

It is not a de Polignac number, because 67436532427 - 2¹¹ = 67436530379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67436532407) 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, 133273527 + ... + 133274032.

It is an arithmetic number, because the mean of its divisors is an integer number (9595712160).

Almost surely, 2^67436532427 is an apocalyptic number.

67436532427 is a deficient number, since it is larger than the sum of its proper divisors (9329164853).

67436532427 is a wasteful number, since it uses less digits than its factorization.

67436532427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266547593.

The product of its digits is 5080320, while the sum is 49.

The spelling of 67436532427 in words is "sixty-seven billion, four hundred thirty-six million, five hundred thirty-two thousand, four hundred twenty-seven".