67285438 has 24 divisors (see below), whose sum is σ = 114528960. Its totient is φ = 29594400.

The previous prime is 67285433. The next prime is 67285447. The reversal of 67285438 is 83458276.

It is a junction number, because it is equal to n+sod(n) for n = 67285394 and 67285403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67285433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3018 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (4772040).

Almost surely, 2^67285438 is an apocalyptic number.

67285438 is a deficient number, since it is larger than the sum of its proper divisors (47243522).

67285438 is a wasteful number, since it uses less digits than its factorization.

67285438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024 (or 9013 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 67285438 is about 8202.7701418484. The cubic root of 67285438 is about 406.7307691062.

The spelling of 67285438 in words is "sixty-seven million, two hundred eighty-five thousand, four hundred thirty-eight".