67434249 has 8 divisors (see below), whose sum is σ = 94644640. Its totient is φ = 42590016.

The previous prime is 67434247. The next prime is 67434259. The reversal of 67434249 is 94243476.

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

It is not a de Polignac number, because 67434249 - 2¹ = 67434247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67434247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591472 + ... + 591585.

It is an arithmetic number, because the mean of its divisors is an integer number (11830580).

Almost surely, 2^67434249 is an apocalyptic number.

It is an amenable number.

67434249 is a deficient number, since it is larger than the sum of its proper divisors (27210391).

67434249 is a wasteful number, since it uses less digits than its factorization.

67434249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183079.

The product of its digits is 145152, while the sum is 39.

The square root of 67434249 is about 8211.8359092227. The cubic root of 67434249 is about 407.0303953378.

The spelling of 67434249 in words is "sixty-seven million, four hundred thirty-four thousand, two hundred forty-nine".