67430385 has 24 divisors (see below), whose sum is σ = 127505664. Its totient is φ = 32693280.

The previous prime is 67430357. The next prime is 67430393. The reversal of 67430385 is 58303476.

It is a happy number.

It is not a de Polignac number, because 67430385 - 2⁵ = 67430353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67617 + ... + 68606.

It is an arithmetic number, because the mean of its divisors is an integer number (5312736).

Almost surely, 2^67430385 is an apocalyptic number.

It is an amenable number.

67430385 is a deficient number, since it is larger than the sum of its proper divisors (60075279).

67430385 is a wasteful number, since it uses less digits than its factorization.

67430385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136245 (or 136242 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 67430385 is about 8211.6006356861. The cubic root of 67430385 is about 407.0226208734.

The spelling of 67430385 in words is "sixty-seven million, four hundred thirty thousand, three hundred eighty-five".