67284069 has 8 divisors (see below), whose sum is σ = 89751840. Its totient is φ = 44836176.

The previous prime is 67284047. The next prime is 67284097. The reversal of 67284069 is 96048276.

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

It is not a de Polignac number, because 67284069 - 2¹⁶ = 67218533 is a prime.

It is a super-2 number, since 2×67284069² = 9054291882393522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67284069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67284869) 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, 7167 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (11218980).

Almost surely, 2^67284069 is an apocalyptic number.

It is an amenable number.

67284069 is a deficient number, since it is larger than the sum of its proper divisors (22467771).

67284069 is a wasteful number, since it uses less digits than its factorization.

67284069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 67284069 is about 8202.6866940046. The cubic root of 67284069 is about 406.7280106183.

The spelling of 67284069 in words is "sixty-seven million, two hundred eighty-four thousand, sixty-nine".