67284330 has 16 divisors (see below), whose sum is σ = 161482464. Its totient is φ = 17942480.

The previous prime is 67284299. The next prime is 67284331. The reversal of 67284330 is 3348276.

It is a junction number, because it is equal to n+sod(n) for n = 67284291 and 67284300.

It is not an unprimeable number, because it can be changed into a prime (67284331) 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, 1121376 + ... + 1121435.

It is an arithmetic number, because the mean of its divisors is an integer number (10092654).

Almost surely, 2^67284330 is an apocalyptic number.

67284330 is an abundant number, since it is smaller than the sum of its proper divisors (94198134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67284330 is a wasteful number, since it uses less digits than its factorization.

67284330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242821.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 67284330 is about 8202.7026034107. The cubic root of 67284330 is about 406.7285365272.

The spelling of 67284330 in words is "sixty-seven million, two hundred eighty-four thousand, three hundred thirty".