67818485 has 16 divisors (see below), whose sum is σ = 93177216. Its totient is φ = 46419648.

The previous prime is 67818481. The next prime is 67818493. The reversal of 67818485 is 58481876.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 67818485 - 2² = 67818481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67818481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22487 + ... + 25323.

It is an arithmetic number, because the mean of its divisors is an integer number (5823576).

Almost surely, 2^67818485 is an apocalyptic number.

It is an amenable number.

67818485 is a deficient number, since it is larger than the sum of its proper divisors (25358731).

67818485 is a wasteful number, since it uses less digits than its factorization.

67818485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532.

The product of its digits is 430080, while the sum is 47.

The square root of 67818485 is about 8235.1979332618. The cubic root of 67818485 is about 407.8020092964.

The spelling of 67818485 in words is "sixty-seven million, eight hundred eighteen thousand, four hundred eighty-five".